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RHSA-2023:1393: Red Hat Security Advisory: OpenShift Container Platform 4.10.55 security update

Red Hat OpenShift Container Platform release 4.10.55 is now available with updates to packages and images that fix several bugs and add enhancements. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

Related CVEs:

  • CVE-2021-4238: A flaw was found in goutils where randomly generated alphanumeric strings contain significantly less entropy than expected. Both the RandomAlphaNumeric and CryptoRandomAlphaNumeric functions always return strings containing at least one digit from 0 to 9. This issue significantly reduces the amount of entropy generated in short strings by these functions.
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Issued:

2023-03-29

Updated:

2023-03-29

RHSA-2023:1393 - Security Advisory

  • Overview
  • Updated Images

Synopsis

Important: OpenShift Container Platform 4.10.55 security update

Type/Severity

Security Advisory: Important

Topic

Red Hat OpenShift Container Platform release 4.10.55 is now available with updates to packages and images that fix several bugs and add enhancements.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Red Hat OpenShift Container Platform is Red Hat’s cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments.

This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.10.55 See the following advisory for the container images for this release:

https://access.redhat.com/errata/RHSA-2023:1392

Security Fix(es):

  • goutils: RandomAlphaNumeric and CryptoRandomAlphaNumeric are not as random as they should be (CVE-2021-4238)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

All OpenShift Container Platform 4.10 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.openshift.com/container-platform/4.10/updating/updating-cluster-cli.html

Affected Products

  • Red Hat OpenShift Container Platform 4.10 for RHEL 8 x86_64
  • Red Hat OpenShift Container Platform for Power 4.10 for RHEL 8 ppc64le
  • Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.10 for RHEL 8 s390x
  • Red Hat OpenShift Container Platform for ARM 64 4.10 aarch64

Fixes

  • BZ - 2156729 - CVE-2021-4238 goutils: RandomAlphaNumeric and CryptoRandomAlphaNumeric are not as random as they should be

CVEs

  • CVE-2021-4238
  • CVE-2022-3564
  • CVE-2022-4269
  • CVE-2022-4378

References

  • https://access.redhat.com/security/updates/classification/#important
  • https://docs.openshift.com/container-platform/4.10/release_notes/ocp-4-10-release-notes.html

aarch64

openshift4/cloud-event-proxy-rhel8@sha256:7f802ceed2dadc3ad2890a3abca0fde81e5274a6a8a77e447973280519dcad84

openshift4/ose-cloud-event-proxy-rhel8@sha256:7f802ceed2dadc3ad2890a3abca0fde81e5274a6a8a77e447973280519dcad84

openshift4/ose-cloud-event-proxy@sha256:7f802ceed2dadc3ad2890a3abca0fde81e5274a6a8a77e447973280519dcad84

openshift4/kubernetes-nmstate-rhel8-operator@sha256:d42f8d6e2aaba7aafe37f8a58e8b13c65534954b44f6b6ee611f766f69eb9d76

openshift4/metallb-rhel8-operator@sha256:3af99d3279323f6eb668da441d1e857c1d37da323365e62c321487f0b732fe5b

openshift4/ose-kubernetes-nmstate-handler-rhel8@sha256:77fbc365c7ac856c2592eea74d9f64378bb65e01d20158b1c14129be628af596

openshift4/ose-node-problem-detector-rhel8@sha256:544eabe622d9a837158cfca6e086cc3b8024d11bb22d6fc9e5c67bae3cce38f5

openshift4/ose-operator-sdk-rhel8@sha256:efdfcda8e6f50da5875202ddb32c1449072c265e81e9169169b2c1917166096e

openshift4/ose-ptp@sha256:7ff172ad57edd554f434a8eadf57dbb74772370f7bf2103a2d36e5e10ed27f3a

openshift4/ose-ptp-operator@sha256:3205258d7fe83e3da311daeb7de8b118f8467b5b92acb144cedf8b01c8176dcd

ppc64le

openshift4/cloud-event-proxy-rhel8@sha256:303d390bf4ffe505c32f9f194962ab5af8b326e9edbd0b4495458003addc548e

openshift4/ose-cloud-event-proxy-rhel8@sha256:303d390bf4ffe505c32f9f194962ab5af8b326e9edbd0b4495458003addc548e

openshift4/ose-cloud-event-proxy@sha256:303d390bf4ffe505c32f9f194962ab5af8b326e9edbd0b4495458003addc548e

openshift4/kubernetes-nmstate-rhel8-operator@sha256:b69bca31e3800809788cb197a7cb458822cb9bfa70c86d19f32a58a4146a070e

openshift4/metallb-rhel8-operator@sha256:d350076196b9273058b7dbb112b2550850916ebb3e8ebaa48a8eae98d16d3a74

openshift4/ose-kubernetes-nmstate-handler-rhel8@sha256:50477e3753e8ee8fd44fb9632d173cf20d1f51c4a7a6564b9b075dcc7457ffde

openshift4/ose-node-problem-detector-rhel8@sha256:3aef1c3c585b1ff740a3202839c4c9df24d88cd128d3a3abdbe106d8032b2837

openshift4/ose-operator-sdk-rhel8@sha256:b73a29b42c1f43f0c6e7310233d279f822c05d5f646adf1f4a6535e028d43ab9

openshift4/ose-ptp@sha256:827382b560b6e34f3a415c7e5173cc8c4e49cc4dc54bc9c09623fbd358216037

openshift4/ose-ptp-operator@sha256:38b72a3c93075db9dae4fa105f8c3a5049b01a5f3d2347420b4b68e2b83e9619

s390x

openshift4/cloud-event-proxy-rhel8@sha256:6ca099e073de9c977862fabeae086b913558619d9709acf2a7cbfc8f0c39d0c8

openshift4/ose-cloud-event-proxy-rhel8@sha256:6ca099e073de9c977862fabeae086b913558619d9709acf2a7cbfc8f0c39d0c8

openshift4/ose-cloud-event-proxy@sha256:6ca099e073de9c977862fabeae086b913558619d9709acf2a7cbfc8f0c39d0c8

openshift4/kubernetes-nmstate-rhel8-operator@sha256:904eb21223125b6f1f9add0a2609ea0b71a153c0465fce6476ea2974543c4f6d

openshift4/metallb-rhel8-operator@sha256:9311124a5e1182c1e176424b467f16491b1abb51375c9637c84f3e3ce62e3187

openshift4/ose-kubernetes-nmstate-handler-rhel8@sha256:3743870f2c4b0c72abf0906ac5c2c8886745d615b6c3b3ba2561e410ff421ff7

openshift4/ose-node-problem-detector-rhel8@sha256:1c42b86c906f4b1254b534e433684307f1cd3e133a9bde0c1d48618b21b01d55

openshift4/ose-operator-sdk-rhel8@sha256:0f4e2fa8a22858cdc439b422c72b90b1f6c044173dacfd64ea400a12804937a1

openshift4/ose-ptp@sha256:97787b4a1dc4b1047f8b5944a2108f3a2aee1dfbdb4918a3e5e3b44bfa46ed68

openshift4/ose-ptp-operator@sha256:9c209382fbc2a7b9a54dee8dc8f4a0d46910fcc77520ff37541cabd3ae752834

x86_64

openshift4/bare-metal-event-relay-rhel8-operator@sha256:0883790e174cd648cfaf886231b9abf65121f0a24f43a336eb2d12c670b26ef7

openshift4/baremetal-hardware-event-proxy-rhel8@sha256:fe374f1236a2f2e928cf10323529e8e0025ef355462fac856dc336baf4a62ae5

openshift4/cloud-event-proxy-rhel8@sha256:b579c497453268b1c03a1c414c94163501fedd5668eeb4f52ff66f262f0363b8

openshift4/ose-cloud-event-proxy-rhel8@sha256:b579c497453268b1c03a1c414c94163501fedd5668eeb4f52ff66f262f0363b8

openshift4/ose-cloud-event-proxy@sha256:b579c497453268b1c03a1c414c94163501fedd5668eeb4f52ff66f262f0363b8

openshift4/kubernetes-nmstate-rhel8-operator@sha256:d4c6c8f57fc82da8b82951275ebf112e47136dd57c7e5bbba11679cbe19ea10c

openshift4/metallb-rhel8-operator@sha256:d7ac6ef2ccdcacbdb13c9deab5ba3e4bce351c3c078363ab79b8de86047d255b

openshift4/ose-kubernetes-nmstate-handler-rhel8@sha256:aa37781503907cefbcc0da9d7432bfe425505eda9051b9c80a9b4462a6b03fa2

openshift4/ose-node-problem-detector-rhel8@sha256:2e2b9c69cfccdbb5a684ce048d816a0bf57e745ee44907c10c70b8ae547dfc54

openshift4/ose-operator-sdk-rhel8@sha256:98413682ab5656a7d27a042253b15813e28c10c99a2acf202b6c106ee76bbcfa

openshift4/ose-ptp@sha256:d56674dd9217aa0187e14b534e526d6aa995c0591c07fd07a5dd9d0d357f69a5

openshift4/ose-ptp-operator@sha256:ee6c26e34c258ed5963722ba444bad0a3118cda5f67c5ac6bebedab85d3f96a5

The Red Hat security contact is [email protected]. More contact details at https://access.redhat.com/security/team/contact/.

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An update for kernel is now available for Red Hat Enterprise Linux 9.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-3564: A use-after-free flaw was found in the Linux kernel’s L2CAP bluetooth functionality in how a user triggers a race condition by two malicious flows in the L2CAP bluetooth packets. This flaw allows a local or bluetooth connection user to crash the system or potentially escalate privileges. * CVE-2022-4269: A flaw was found ...

RHSA-2023:1203: Red Hat Security Advisory: kernel-rt security and bug fix update

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-3564: A use-after-free flaw was found in the Linux kernel’s L2CAP bluetooth functionality in how a user triggers a race condition by two malicious flows in the L2CAP bluetooth packets. This flaw allows a local or bluetooth connection user to crash the system or potentially escalate privileges. * CVE-2022-4269: A flaw was fou...

Red Hat Security Advisory 2023-1110-01

Red Hat Security Advisory 2023-1110-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Red Hat Security Advisory 2023-1130-01

Red Hat Security Advisory 2023-1130-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include null pointer and use-after-free vulnerabilities.

RHSA-2023:1130: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-2964: A flaw was found in the Linux kernel’s driver for the ASIX AX88179_178A-based USB 2.0/3.0 Gigabit Ethernet Devices. The vulnerability contains multiple out-of-bounds reads and possible out-of-bounds writes. * CVE-2022-4269: A flaw was found in the Linux kernel Traffic Control (TC) subsystem. Using a specific networking co...

RHSA-2023:1109: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, and Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-4378: A stack overflow flaw was found in the Linux kernel's SYSCTL subsystem in how a user changes certain kernel parameters and variables. This flaw allows a local user to crash or potentially esc...

RHSA-2023:1110: Red Hat Security Advisory: kernel-rt security and bug fix update

An update for kernel-rt is now available for Red Hat Enterprise Linux 8.2 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-4378: A stack overflow flaw was found in the Linux kernel's SYSCTL subsystem in how a user changes certain kernel parameters and variables. This flaw allows a local user to crash or potentially escalate their privileges on the system.

RHSA-2023:1103: Red Hat Security Advisory: kpatch-patch security update

An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-4378: A stack overflow flaw was found in the Linux kernel's SYSCTL subsystem in how a user changes certain kernel parameters and variables. This flaw allows a local user to crash or potentially escalate their privileges on the system.

RHSA-2023:1092: Red Hat Security Advisory: kernel-rt security and bug fix update

An update for kernel-rt is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-4378: A stack overflow flaw was found in the Linux kernel's SYSCTL subsystem in how a user changes certain kernel parameters and variables. This flaw allows a local user to crash or potentially escalate their privileges on the system. * CVE-2022-42703: A memory leak flaw with use-after-free capability was found in the Linux kernel. The VMA mm/rmap.c ...

Red Hat Security Advisory 2023-0858-01

Red Hat Security Advisory 2023-0858-01 - This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Issues addressed include a use-after-free vulnerability.

RHSA-2023:0856: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-2964: A flaw was found in the Linux kernel’s driver for the ASIX AX88179_178A-based USB 2.0/3.0 Gigabit Ethernet Devices. The vulnerability contains multiple out-of-bounds reads and possible out-of-bounds writes. * CVE-2022-3564: A use-after-free flaw was found in the Linux kernel’s L2CAP bluetooth functionality in ho...

RHSA-2023:0770: Red Hat Security Advisory: OpenShift Container Platform 4.12.4 security update

Red Hat OpenShift Container Platform release 4.12.4 is now available with updates to packages and images that fix several bugs and add enhancements. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-4238: A flaw was found in goutils where randomly generated alphanumeric strings contain significantly less entropy than expected. Both the `RandomAlphaNumeric` and `CryptoRandomAlphaNumeric` functions always return strings containing at least one digit from 0 to 9. This issue...

RHSA-2023:0728: Red Hat Security Advisory: OpenShift Container Platform 4.12.3 security update

Red Hat OpenShift Container Platform release 4.12.3 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.12. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-4238: A flaw was found in goutils where randomly generated alphanumeric strings contain significantly less entropy than expected. Both the `RandomAlphaNumeric` and `CryptoRandomAlphaNumeric...

RHSA-2023:0561: Red Hat Security Advisory: OpenShift Container Platform 4.10.51 security update

Red Hat OpenShift Container Platform release 4.10.51 is now available with updates to packages and images that fix several bugs and add enhancements. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2021-4238: A flaw was found in goutils where randomly generated alphanumeric strings contain significantly less entropy than expected. Both the `RandomAlphaNumeric` and `CryptoRandomAlphaNumeric` functions always return strings containing at least one digit from 0 to 9. This issu...

Red Hat Security Advisory 2023-0565-01

Red Hat Security Advisory 2023-0565-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the container images for Red Hat OpenShift Container Platform 4.11.26.

Red Hat Security Advisory 2023-0540-01

Red Hat Security Advisory 2023-0540-01 - Red Hat OpenShift Service Mesh is Red Hat's distribution of the Istio service mesh project, tailored for installation into an OpenShift Container Platform installation. This advisory covers the RPM packages for the release.

Red Hat Security Advisory 2023-0449-01

Red Hat Security Advisory 2023-0449-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the container images for Red Hat OpenShift Container Platform 4.12.1.

Ubuntu Security Notice USN-5832-1

Ubuntu Security Notice 5832-1 - Kyle Zeng discovered that the sysctl implementation in the Linux kernel contained a stack-based buffer overflow. A local attacker could use this to cause a denial of service or execute arbitrary code. Tamás Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

Ubuntu Security Notice USN-5814-1

Ubuntu Security Notice 5814-1 - Kyle Zeng discovered that the sysctl implementation in the Linux kernel contained a stack-based buffer overflow. A local attacker could use this to cause a denial of service or execute arbitrary code. Tamás Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

Ubuntu Security Notice USN-5809-1

Ubuntu Security Notice 5809-1 - Kyle Zeng discovered that the sysctl implementation in the Linux kernel contained a stack-based buffer overflow. A local attacker could use this to cause a denial of service or execute arbitrary code. Tamás Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

Ubuntu Security Notice USN-5803-1

Ubuntu Security Notice 5803-1 - Kyle Zeng discovered that the sysctl implementation in the Linux kernel contained a stack-based buffer overflow. A local attacker could use this to cause a denial of service or execute arbitrary code. Tamas Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

Ubuntu Security Notice USN-5799-1

Ubuntu Security Notice 5799-1 - Kyle Zeng discovered that the sysctl implementation in the Linux kernel contained a stack-based buffer overflow. A local attacker could use this to cause a denial of service or execute arbitrary code.

CVE-2021-4238: Remove unnecessary checks on a value that is already definitely an al… · Masterminds/goutils@869801f

Randomly-generated alphanumeric strings contain significantly less entropy than expected. The RandomAlphaNumeric and CryptoRandomAlphaNumeric functions always return strings containing at least one digit from 0 to 9. This significantly reduces the amount of entropy in short strings generated by these functions.

Ubuntu Security Notice USN-5774-1

Ubuntu Security Notice 5774-1 - Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that a race condition existed in the instruction emulator of the Linux kernel on Arm 64-bit systems. A local attacker could use this to cause a denial of service.

Ubuntu Security Notice USN-5773-1

Ubuntu Security Notice 5773-1 - It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code. Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

Ubuntu Security Notice USN-5754-2

Ubuntu Security Notice 5754-2 - It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that a memory leak existed in the IPv6 implementation of the Linux kernel. A local attacker could use this to cause a denial of service.

CVE-2022-4269: [PATCH net] net/sched: act_mirred: use the backlog for mirred ingress

A flaw was found in the Linux kernel Traffic Control (TC) subsystem. Using a specific networking configuration (redirecting egress packets to ingress using TC action "mirred") a local unprivileged user could trigger a CPU soft lockup (ABBA deadlock) when the transport protocol in use (TCP or SCTP) does a retransmission, resulting in a denial of service condition.

CVE-2022-4269: [PATCH net] net/sched: act_mirred: use the backlog for mirred ingress

A flaw was found in the Linux kernel Traffic Control (TC) subsystem. Using a specific networking configuration (redirecting egress packets to ingress using TC action "mirred") a local unprivileged user could trigger a CPU soft lockup (ABBA deadlock) when the transport protocol in use (TCP or SCTP) does a retransmission, resulting in a denial of service condition.

Ubuntu Security Notice USN-5757-2

Ubuntu Security Notice 5757-2 - Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the video4linux driver for Empia based TV cards in the Linux kernel did not properly perform reference counting in some situations, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

Ubuntu Security Notice USN-5757-1

Ubuntu Security Notice 5757-1 - Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the video4linux driver for Empia based TV cards in the Linux kernel did not properly perform reference counting in some situations, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

CVE-2022-3564

A vulnerability classified as critical was found in Linux Kernel. Affected by this vulnerability is the function l2cap_reassemble_sdu of the file net/bluetooth/l2cap_core.c of the component Bluetooth. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211087.