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Red Hat Security Advisory 2023-1109-01

Red Hat Security Advisory 2023-1109-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system.

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

Synopsis: Important: kernel security and bug fix update
Advisory ID: RHSA-2023:1109-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:1109
Issue date: 2023-03-07
CVE Names: CVE-2022-4378
====================================================================

Summary:

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.

Relevant releases/architectures:

Red Hat Enterprise Linux BaseOS AUS (v. 8.2) - aarch64, noarch, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS E4S (v. 8.2) - aarch64, noarch, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS TUS (v. 8.2) - aarch64, noarch, ppc64le, s390x, x86_64

Description:

The kernel packages contain the Linux kernel, the core of any Linux
operating system.

Security Fix(es):

kernel: stack overflow in do_proc_dointvec and proc_skip_spaces
(CVE-2022-4378)

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.

Bug Fix(es):

Concurrent reading of /proc/cpuinfo by multiple tasks causes soft lockup
(BZ#2154442)
RHEL8: panic when THP split (BZ#2156111)

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

The system must be rebooted for this update to take effect.

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

2152548 - CVE-2022-4378 kernel: stack overflow in do_proc_dointvec and proc_skip_spaces

Package List:

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

Source:
kernel-4.18.0-193.100.1.el8_2.src.rpm

aarch64:
bpftool-4.18.0-193.100.1.el8_2.aarch64.rpm
bpftool-debuginfo-4.18.0-193.100.1.el8_2.aarch64.rpm
kernel-4.18.0-193.100.1.el8_2.aarch64.rpm
kernel-core-4.18.0-193.100.1.el8_2.aarch64.rpm
kernel-cross-headers-4.18.0-193.100.1.el8_2.aarch64.rpm
kernel-debug-4.18.0-193.100.1.el8_2.aarch64.rpm
kernel-debug-core-4.18.0-193.100.1.el8_2.aarch64.rpm
kernel-debug-debuginfo-4.18.0-193.100.1.el8_2.aarch64.rpm
kernel-debug-devel-4.18.0-193.100.1.el8_2.aarch64.rpm
kernel-debug-modules-4.18.0-193.100.1.el8_2.aarch64.rpm
kernel-debug-modules-extra-4.18.0-193.100.1.el8_2.aarch64.rpm
kernel-debuginfo-4.18.0-193.100.1.el8_2.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-193.100.1.el8_2.aarch64.rpm
kernel-devel-4.18.0-193.100.1.el8_2.aarch64.rpm
kernel-headers-4.18.0-193.100.1.el8_2.aarch64.rpm
kernel-modules-4.18.0-193.100.1.el8_2.aarch64.rpm
kernel-modules-extra-4.18.0-193.100.1.el8_2.aarch64.rpm
kernel-tools-4.18.0-193.100.1.el8_2.aarch64.rpm
kernel-tools-debuginfo-4.18.0-193.100.1.el8_2.aarch64.rpm
kernel-tools-libs-4.18.0-193.100.1.el8_2.aarch64.rpm
perf-4.18.0-193.100.1.el8_2.aarch64.rpm
perf-debuginfo-4.18.0-193.100.1.el8_2.aarch64.rpm
python3-perf-4.18.0-193.100.1.el8_2.aarch64.rpm
python3-perf-debuginfo-4.18.0-193.100.1.el8_2.aarch64.rpm

noarch:
kernel-abi-whitelists-4.18.0-193.100.1.el8_2.noarch.rpm
kernel-doc-4.18.0-193.100.1.el8_2.noarch.rpm

ppc64le:
bpftool-4.18.0-193.100.1.el8_2.ppc64le.rpm
bpftool-debuginfo-4.18.0-193.100.1.el8_2.ppc64le.rpm
kernel-4.18.0-193.100.1.el8_2.ppc64le.rpm
kernel-core-4.18.0-193.100.1.el8_2.ppc64le.rpm
kernel-cross-headers-4.18.0-193.100.1.el8_2.ppc64le.rpm
kernel-debug-4.18.0-193.100.1.el8_2.ppc64le.rpm
kernel-debug-core-4.18.0-193.100.1.el8_2.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-193.100.1.el8_2.ppc64le.rpm
kernel-debug-devel-4.18.0-193.100.1.el8_2.ppc64le.rpm
kernel-debug-modules-4.18.0-193.100.1.el8_2.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-193.100.1.el8_2.ppc64le.rpm
kernel-debuginfo-4.18.0-193.100.1.el8_2.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-193.100.1.el8_2.ppc64le.rpm
kernel-devel-4.18.0-193.100.1.el8_2.ppc64le.rpm
kernel-headers-4.18.0-193.100.1.el8_2.ppc64le.rpm
kernel-modules-4.18.0-193.100.1.el8_2.ppc64le.rpm
kernel-modules-extra-4.18.0-193.100.1.el8_2.ppc64le.rpm
kernel-tools-4.18.0-193.100.1.el8_2.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-193.100.1.el8_2.ppc64le.rpm
kernel-tools-libs-4.18.0-193.100.1.el8_2.ppc64le.rpm
perf-4.18.0-193.100.1.el8_2.ppc64le.rpm
perf-debuginfo-4.18.0-193.100.1.el8_2.ppc64le.rpm
python3-perf-4.18.0-193.100.1.el8_2.ppc64le.rpm
python3-perf-debuginfo-4.18.0-193.100.1.el8_2.ppc64le.rpm

s390x:
bpftool-4.18.0-193.100.1.el8_2.s390x.rpm
bpftool-debuginfo-4.18.0-193.100.1.el8_2.s390x.rpm
kernel-4.18.0-193.100.1.el8_2.s390x.rpm
kernel-core-4.18.0-193.100.1.el8_2.s390x.rpm
kernel-cross-headers-4.18.0-193.100.1.el8_2.s390x.rpm
kernel-debug-4.18.0-193.100.1.el8_2.s390x.rpm
kernel-debug-core-4.18.0-193.100.1.el8_2.s390x.rpm
kernel-debug-debuginfo-4.18.0-193.100.1.el8_2.s390x.rpm
kernel-debug-devel-4.18.0-193.100.1.el8_2.s390x.rpm
kernel-debug-modules-4.18.0-193.100.1.el8_2.s390x.rpm
kernel-debug-modules-extra-4.18.0-193.100.1.el8_2.s390x.rpm
kernel-debuginfo-4.18.0-193.100.1.el8_2.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-193.100.1.el8_2.s390x.rpm
kernel-devel-4.18.0-193.100.1.el8_2.s390x.rpm
kernel-headers-4.18.0-193.100.1.el8_2.s390x.rpm
kernel-modules-4.18.0-193.100.1.el8_2.s390x.rpm
kernel-modules-extra-4.18.0-193.100.1.el8_2.s390x.rpm
kernel-tools-4.18.0-193.100.1.el8_2.s390x.rpm
kernel-tools-debuginfo-4.18.0-193.100.1.el8_2.s390x.rpm
kernel-zfcpdump-4.18.0-193.100.1.el8_2.s390x.rpm
kernel-zfcpdump-core-4.18.0-193.100.1.el8_2.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-193.100.1.el8_2.s390x.rpm
kernel-zfcpdump-devel-4.18.0-193.100.1.el8_2.s390x.rpm
kernel-zfcpdump-modules-4.18.0-193.100.1.el8_2.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-193.100.1.el8_2.s390x.rpm
perf-4.18.0-193.100.1.el8_2.s390x.rpm
perf-debuginfo-4.18.0-193.100.1.el8_2.s390x.rpm
python3-perf-4.18.0-193.100.1.el8_2.s390x.rpm
python3-perf-debuginfo-4.18.0-193.100.1.el8_2.s390x.rpm

x86_64:
bpftool-4.18.0-193.100.1.el8_2.x86_64.rpm
bpftool-debuginfo-4.18.0-193.100.1.el8_2.x86_64.rpm
kernel-4.18.0-193.100.1.el8_2.x86_64.rpm
kernel-core-4.18.0-193.100.1.el8_2.x86_64.rpm
kernel-cross-headers-4.18.0-193.100.1.el8_2.x86_64.rpm
kernel-debug-4.18.0-193.100.1.el8_2.x86_64.rpm
kernel-debug-core-4.18.0-193.100.1.el8_2.x86_64.rpm
kernel-debug-debuginfo-4.18.0-193.100.1.el8_2.x86_64.rpm
kernel-debug-devel-4.18.0-193.100.1.el8_2.x86_64.rpm
kernel-debug-modules-4.18.0-193.100.1.el8_2.x86_64.rpm
kernel-debug-modules-extra-4.18.0-193.100.1.el8_2.x86_64.rpm
kernel-debuginfo-4.18.0-193.100.1.el8_2.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-193.100.1.el8_2.x86_64.rpm
kernel-devel-4.18.0-193.100.1.el8_2.x86_64.rpm
kernel-headers-4.18.0-193.100.1.el8_2.x86_64.rpm
kernel-modules-4.18.0-193.100.1.el8_2.x86_64.rpm
kernel-modules-extra-4.18.0-193.100.1.el8_2.x86_64.rpm
kernel-tools-4.18.0-193.100.1.el8_2.x86_64.rpm
kernel-tools-debuginfo-4.18.0-193.100.1.el8_2.x86_64.rpm
kernel-tools-libs-4.18.0-193.100.1.el8_2.x86_64.rpm
perf-4.18.0-193.100.1.el8_2.x86_64.rpm
perf-debuginfo-4.18.0-193.100.1.el8_2.x86_64.rpm
python3-perf-4.18.0-193.100.1.el8_2.x86_64.rpm
python3-perf-debuginfo-4.18.0-193.100.1.el8_2.x86_64.rpm

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

Source:
kernel-4.18.0-193.100.1.el8_2.src.rpm

noarch:
kernel-abi-whitelists-4.18.0-193.100.1.el8_2.noarch.rpm
kernel-doc-4.18.0-193.100.1.el8_2.noarch.rpm

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

Source:
kernel-4.18.0-193.100.1.el8_2.src.rpm

noarch:
kernel-abi-whitelists-4.18.0-193.100.1.el8_2.noarch.rpm
kernel-doc-4.18.0-193.100.1.el8_2.noarch.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/

References:

https://access.redhat.com/security/cve/CVE-2022-4378
https://access.redhat.com/security/updates/classification/#important

Contact:

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

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RHSA-2023:1101: Red Hat Security Advisory: kpatch-patch security update

An update for kpatch-patch 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.

1 year ago

Red Hat Security Data

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Red Hat Security Advisory 2023-1008-01

Red Hat Security Advisory 2023-1008-01 - 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 denial of service, integer overflow, and use-after-free vulnerabilities.

1 year ago

Packet Storm

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RHSA-2023:0944: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 7.7 Advanced Update Support, Red Hat Enterprise Linux 7.7 Telco Extended Update Support, and 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-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 escalat...

1 year ago

Red Hat Security Data

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Ubuntu Security Notice USN-5831-1

Ubuntu Security Notice 5831-1 - 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.

1 year ago

Packet Storm

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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.

1 year ago

Packet Storm

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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.

1 year ago

Packet Storm

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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.

1 year ago

Packet Storm

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#vulnerability #ubuntu #linux #dos #buffer_overflow