Security
Headlines
HeadlinesLatestCVEs

Headline

Red Hat Security Advisory 2023-4829-01

Red Hat Security Advisory 2023-4829-01 - 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 an out of bounds write vulnerability.

Packet Storm
#vulnerability#linux#red_hat#rpm#sap

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

=====================================================================
Red Hat Security Advisory

Synopsis: Important: kpatch-patch security update
Advisory ID: RHSA-2023:4829-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:4829
Issue date: 2023-08-29
CVE Names: CVE-2023-3090 CVE-2023-35788
=====================================================================

  1. Summary:

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.

  1. Relevant releases/architectures:

Red Hat Enterprise Linux BaseOS E4S (v. 8.2) - ppc64le, x86_64

  1. Description:

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.

Security Fix(es):

  • kernel: ipvlan: out-of-bounds write caused by unclear skb->cb
    (CVE-2023-3090)

  • kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt()
    (CVE-2023-35788)

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.

  1. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

  1. Bugs fixed (https://bugzilla.redhat.com/):

2215768 - CVE-2023-35788 kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt()
2218672 - CVE-2023-3090 kernel: ipvlan: out-of-bounds write caused by unclear skb->cb

  1. Package List:

Red Hat Enterprise Linux BaseOS E4S (v. 8.2):

Source:
kpatch-patch-4_18_0-193_100_1-1-3.el8_2.src.rpm
kpatch-patch-4_18_0-193_105_1-1-2.el8_2.src.rpm
kpatch-patch-4_18_0-193_109_1-1-1.el8_2.src.rpm
kpatch-patch-4_18_0-193_98_1-1-4.el8_2.src.rpm

ppc64le:
kpatch-patch-4_18_0-193_100_1-1-3.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_100_1-debuginfo-1-3.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_100_1-debugsource-1-3.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_105_1-1-2.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_105_1-debuginfo-1-2.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_105_1-debugsource-1-2.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_109_1-1-1.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_109_1-debuginfo-1-1.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_109_1-debugsource-1-1.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_98_1-1-4.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_98_1-debuginfo-1-4.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_98_1-debugsource-1-4.el8_2.ppc64le.rpm

x86_64:
kpatch-patch-4_18_0-193_100_1-1-3.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_100_1-debuginfo-1-3.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_100_1-debugsource-1-3.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_105_1-1-2.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_105_1-debuginfo-1-2.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_105_1-debugsource-1-2.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_109_1-1-1.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_109_1-debuginfo-1-1.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_109_1-debugsource-1-1.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_98_1-1-4.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_98_1-debuginfo-1-4.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_98_1-debugsource-1-4.el8_2.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

  1. References:

https://access.redhat.com/security/cve/CVE-2023-3090
https://access.redhat.com/security/cve/CVE-2023-35788
https://access.redhat.com/security/updates/classification/#important

  1. Contact:

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

Copyright 2023 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=1Hwz
-----END PGP SIGNATURE-----

RHSA-announce mailing list
[email protected]
https://listman.redhat.com/mailman/listinfo/rhsa-announce

Related news

CVE-2023-43057: Security Bulletin: IBM QRadar SIEM contains multiple vulnerabilities

IBM QRadar SIEM 7.5.0 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 267484.

CVE-2023-22130: Oracle Critical Patch Update Advisory - October 2023

Vulnerability in the Sun ZFS Storage Appliance product of Oracle Systems (component: Core). The supported version that is affected is 8.8.60. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Sun ZFS Storage Appliance. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Sun ZFS Storage Appliance. CVSS 3.1 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).

Red Hat Security Advisory 2023-5603-01

Red Hat Security Advisory 2023-5603-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include denial of service, out of bounds write, and use-after-free vulnerabilities.

RHSA-2023:5603: 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-2023-1206: A hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel’s IPv6 functionality when a user makes a new kind of SYN flood attack. A user located in the local network or with a high bandwidth connection can increase the CPU usage of the server that accepts IPV6 connections up to 95%. * CVE-2...

Ubuntu Security Notice USN-6385-1

Ubuntu Security Notice 6385-1 - It was discovered that some AMD x86-64 processors with SMT enabled could speculatively execute instructions using a return address from a sibling thread. A local attacker could possibly use this to expose sensitive information. William Zhao discovered that the Traffic Control subsystem in the Linux kernel did not properly handle network packet retransmission in certain situations. A local attacker could use this to cause a denial of service.

Red Hat Security Advisory 2023-5255-01

Red Hat Security Advisory 2023-5255-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine- tuning for systems with extremely high determinism requirements. Issues addressed include information leakage, out of bounds write, and use-after-free vulnerabilities.

Kernel Live Patch Security Notice LSN-0097-1

It was discovered that the IP-VLAN network driver for the Linux kernel did not properly initialize memory in some situations, leading to an out-of- bounds write vulnerability. An attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. Querijn Voet discovered that a race condition existed in the io_uring subsystem in the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. Various other vulnerabilities were also discovered and addressed.

Red Hat Security Advisory 2023-4967-01

Red Hat Security Advisory 2023-4967-01 - 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 out of bounds write and use-after-free vulnerabilities.

RHSA-2023:4962: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 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-2023-1829: A use-after-free vulnerability was found in the traffic control index filter (tcindex) in the Linux kernel. The tcindex_delete does not properly deactivate filters, which can...

Red Hat Security Advisory 2023-4817-01

Red Hat Security Advisory 2023-4817-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include out of bounds access and out of bounds write vulnerabilities.

Red Hat Security Advisory 2023-4814-01

Red Hat Security Advisory 2023-4814-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include null pointer, out of bounds write, and use-after-free vulnerabilities.

RHSA-2023:4819: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel 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-2023-20593: A flaw was found in hw, in “Zen 2” CPUs. This issue may allow an attacker to access sensitive information under specific microarchitectural circumstances. * CVE-2023-35788: A flaw was found in the TC flower classifier (cls_flower) in the Networking subsystem of the Linux kernel. This issue occurs when sending two TCA_FLOWER_KEY_ENC_OPTS_GENEVE pa...

RHSA-2023:4829: 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-2023-3090: A flaw was found in the IPVLAN network driver in the Linux kernel. This issue is caused by missing skb->cb initialization in `__ip_options_echo` and can lead to an out-of-bounds write stack overflow. This may allow a local user to cause a denial of service or potentially achieve local privilege escalation....

Red Hat Security Advisory 2023-4698-01

Red Hat Security Advisory 2023-4698-01 - 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 an out of bounds write vulnerability.

Red Hat Security Advisory 2023-4697-01

Red Hat Security Advisory 2023-4697-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include an out of bounds write vulnerability.

RHSA-2023:4698: Red Hat Security Advisory: kpatch-patch security update

An update for kpatch-patch is now available for Red Hat Enterprise Linux 7.7 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-2023-35788: A flaw was found in the TC flower classifier (cls_flower) in the Networking subsystem of the Linux kernel. This issue occurs when sending two TCA_FLOWER_KEY_ENC_OPTS_GENEVE packets with a total size of 252 bytes, which results in an out-of-bounds write when the third packet enters fl_set_geneve_opt, poten...

Debian Security Advisory 5480-1

Debian Linux Security Advisory 5480-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks.

Red Hat Security Advisory 2023-4664-01

Red Hat Security Advisory 2023-4664-01 - OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform. This advisory contains OpenShift Virtualization 4.13.3 images. Issues addressed include a denial of service vulnerability.

RHSA-2023:4664: Red Hat Security Advisory: OpenShift Virtualization 4.13.3 Images security and bug fix update

Red Hat OpenShift Virtualization release 4.13.3 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-2022-41723: A flaw was found in golang. A maliciously crafted HTTP/2 stream could cause excessive CPU consumption in the HPACK decoder, sufficient to cause a denial of service from a small number of requests. * CVE-2023-3089: A compliance problem was found in the Red Hat OpenShift Con...

Red Hat Security Advisory 2023-4456-01

Red Hat Security Advisory 2023-4456-01 - 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 4.13.8. Issues addressed include an add administrator vulnerability.

RHSA-2023:4515: 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-2023-1829: A use-after-free vulnerability was found in the traffic control index filter (tcindex) in the Linux kernel. The tcindex_delete does not properly deactivate filters, which can later lead to double freeing the structure. This flaw allows a local attacker to cause a use-after-free problem, leading to privilege esca...

Ubuntu Security Notice USN-6261-1

Ubuntu Security Notice 6261-1 - It was discovered that the IP-VLAN network driver for the Linux kernel did not properly initialize memory in some situations, leading to an out-of- bounds write vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. Shir Tamari and Sagi Tzadik discovered that the OverlayFS implementation in the Ubuntu Linux kernel did not properly perform permission checks in certain situations. A local attacker could possibly use this to gain elevated privileges.

Ubuntu Security Notice USN-6260-1

Ubuntu Security Notice 6260-1 - It was discovered that the NTFS file system implementation in the Linux kernel did not properly check buffer indexes in certain situations, leading to an out-of-bounds read vulnerability. A local attacker could possibly use this to expose sensitive information. Stonejiajia, Shir Tamari and Sagi Tzadik discovered that the OverlayFS implementation in the Ubuntu Linux kernel did not properly perform permission checks in certain situations. A local attacker could possibly use this to gain elevated privileges.

Ubuntu Security Notice USN-6256-1

Ubuntu Security Notice 6256-1 - Jiasheng Jiang discovered that the HSA Linux kernel driver for AMD Radeon GPU devices did not properly validate memory allocation in certain situations, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service. Zheng Wang discovered that the Intel i915 graphics driver in the Linux kernel did not properly handle certain error conditions, leading to a double-free. A local attacker could possibly use this to cause a denial of service.

Ubuntu Security Notice USN-6254-1

Ubuntu Security Notice 6254-1 - Jordy Zomer and Alexandra Sandulescu discovered that syscalls invoking the do_prlimit function in the Linux kernel did not properly handle speculative execution barriers. A local attacker could use this to expose sensitive information. It was discovered that a race condition existed in the btrfs file system implementation in the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly expose sensitive information.

Ubuntu Security Notice USN-6234-1

Ubuntu Security Notice 6234-1 - Hangyu Hua discovered that the Flower classifier implementation in the Linux kernel contained an out-of-bounds write vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that for some Intel processors the INVLPG instruction implementation did not properly flush global TLB entries when PCIDs are enabled. An attacker could use this to expose sensitive information or possibly cause undesired behaviors.

Ubuntu Security Notice USN-6223-1

Ubuntu Security Notice 6223-1 - It was discovered that the TUN/TAP driver in the Linux kernel did not properly initialize socket data. A local attacker could use this to cause a denial of service. It was discovered that the Real-Time Scheduling Class implementation in the Linux kernel contained a type confusion vulnerability in some situations. A local attacker could use this to cause a denial of service.

Ubuntu Security Notice USN-6212-1

Ubuntu Security Notice 6212-1 - Hangyu Hua discovered that the Flower classifier implementation in the Linux kernel contained an out-of-bounds write vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that for some Intel processors the INVLPG instruction implementation did not properly flush global TLB entries when PCIDs are enabled. An attacker could use this to expose sensitive information or possibly cause undesired behaviors.

Ubuntu Security Notice USN-6205-1

Ubuntu Security Notice 6205-1 - Hangyu Hua discovered that the Flower classifier implementation in the Linux kernel contained an out-of-bounds write vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that for some Intel processors the INVLPG instruction implementation did not properly flush global TLB entries when PCIDs are enabled. An attacker could use this to expose sensitive information or possibly cause undesired behaviors.

Debian Security Advisory 5448-1

Debian Linux Security Advisory 5448-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks.

Ubuntu Security Notice USN-6194-1

Ubuntu Security Notice 6194-1 - Hangyu Hua discovered that the Flower classifier implementation in the Linux kernel contained an out-of-bounds write vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. Xingyuan Mo and Gengjia Chen discovered that the io_uring subsystem in the Linux kernel did not properly handle locking when IOPOLL mode is being used. A local attacker could use this to cause a denial of service.

Ubuntu Security Notice USN-6193-1

Ubuntu Security Notice 6193-1 - Hangyu Hua discovered that the Flower classifier implementation in the Linux kernel contained an out-of-bounds write vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that for some Intel processors the INVLPG instruction implementation did not properly flush global TLB entries when PCIDs are enabled. An attacker could use this to expose sensitive information or possibly cause undesired behaviors.

CVE-2023-3090

A heap out-of-bounds write vulnerability in the Linux Kernel ipvlan network driver can be exploited to achieve local privilege escalation. The out-of-bounds write is caused by missing skb->cb initialization in the ipvlan network driver. The vulnerability is reachable if CONFIG_IPVLAN is enabled. We recommend upgrading past commit 90cbed5247439a966b645b34eb0a2e037836ea8e.

Packet Storm: Latest News

Acronis Cyber Protect/Backup Remote Code Execution