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Red Hat Enterprise Linux 9.0 RHSA-2023:4137 Important Kernel Update

red hat
Calendar Grey July 18, 2023
Dist Redhat Esm H88
Critical kernel vulnerability patch and bug resolution update for Red Hat Enterprise Linux 9.0 Extended Update Support.
An update for kernel is now available for Red Hat Enterprise Linux 9.0 Extended Update Support

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.

Summary

The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c (CVE-2022-42896)
* kernel: use-after-free vulnerability in the perf_group_detach function of the Linux Kernel Performance Events (CVE-2023-2235)
* kernel: uninitialized registers on stack in nft_do_chain can cause kernel pointer leakage to UM (CVE-2022-1016)
* kernel: use-after-free related to leaf anon_vma double reuse (CVE-2022-42703)
* Kernel: bluetooth: Unauthorized management command execution (CVE-2023-2002)
* kernel: OOB access in the Linux kernel's XFS subsystem (CVE-2023-2124)
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):
* Backport kernel audit enhancements and fixes from v5.13-rc1 to v5.16-rc6 (BZ#2098210)
* INTEL 9.0 BUG VROC: RAID rebuild doesn't start after removing drive during FIO (BZ#2174890)
* HPEMC RHEL 9 BUG: acpi-cpufreq: Skip initializtion if a cpufreq driver exists (BZ#2186564)
* RHEL9.3: Update locking code to upstream 6.1 and further fixes (BZ#2187517)
* block layer: update with upstream v6.0 (BZ#2196175)
* rhel-9: Invalid character detected by rpminspect in Documentation/translations/zh_CN/process/magic-number.rst (BZ#2208244)
* Trouble getting callstacks when signal has interrupted clock_gettime (BZ#2210076)

Topics%20covered

Topics Covered

security advisory kernel update bug fix security fix Red Hat Enterprise Linux important update

References

https://access.redhat.com/security/cve/CVE-2022-1016 https://access.redhat.com/security/cve/CVE-2022-42703 https://access.redhat.com/security/cve/CVE-2022-42896 https://access.redhat.com/security/cve/CVE-2023-2002 https://access.redhat.com/security/cve/CVE-2023-2124 https://access.redhat.com/security/cve/CVE-2023-2235 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux AppStream EUS (v.9.0):
aarch64: bpftool-debuginfo-5.14.0-70.64.1.el9_0.aarch64.rpm kernel-debug-debuginfo-5.14.0-70.64.1.el9_0.aarch64.rpm kernel-debug-devel-5.14.0-70.64.1.el9_0.aarch64.rpm kernel-debug-devel-matched-5.14.0-70.64.1.el9_0.aarch64.rpm kernel-debuginfo-5.14.0-70.64.1.el9_0.aarch64.rpm kernel-debuginfo-common-aarch64-5.14.0-70.64.1.el9_0.aarch64.rpm kernel-devel-5.14.0-70.64.1.el9_0.aarch64.rpm kernel-devel-matched-5.14.0-70.64.1.el9_0.aarch64.rpm kernel-headers-5.14.0-70.64.1.el9_0.aarch64.rpm kernel-tools-debuginfo-5.14.0-70.64.1.el9_0.aarch64.rpm perf-5.14.0-70.64.1.el9_0.aarch64.rpm perf-debuginfo-5.14.0-70.64.1.el9_0.aarch64.rpm python3-perf-debuginfo-5.14.0-70.64.1.el9_0.aarch64.rpm
noarch: kernel-doc-5.14.0-70.64.1.el9_0.noarch.rpm
ppc64le: bpftool-debuginfo-5.14.0-70.64.1.el9_0.ppc64le.rpm kernel-debug-debuginfo-5.14.0-70.64.1.el9_0.ppc64le.rpm kernel-debug-devel-5.14.0-70.64.1.el9_0.ppc64le.rpm kernel-debug-devel-matched-5.14.0-70.64.1.el9_0.ppc64le.rpm kernel-debuginfo-5.14.0-70.64.1.el9_0.ppc64le.rpm kernel-debuginfo-common-ppc64le-5.14.0-70.64.1.el9_0.ppc64le.rpm kernel-devel-5.14.0-70.64.1.el9_0.ppc64le.rpm kernel-devel-matched-5.14.0-70.64.1.el9_0.ppc64le.rpm kernel-headers-5.14.0-70.64.1.el9_0.ppc64le.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:4137-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:4137
Issue date: 2023-07-18

Topic

An update for kernel is now available for Red Hat Enterprise Linux 9.0Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory kernel update bug fix security fix Red Hat Enterprise Linux important update

Relevant Releases Architectures

Red Hat CodeReady Linux Builder EUS (v.9.0) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux AppStream EUS (v.9.0) - aarch64, noarch, ppc64le, s390x, x86_64

Red Hat Enterprise Linux BaseOS EUS (v.9.0) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

2066614 - CVE-2022-1016 kernel: uninitialized registers on stack in nft_do_chain can cause kernel pointer leakage to UM

2133483 - CVE-2022-42703 kernel: use-after-free related to leaf anon_vma double reuse

2147364 - CVE-2022-42896 kernel: use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c

2187308 - CVE-2023-2002 Kernel: bluetooth: Unauthorized management command execution

2187439 - CVE-2023-2124 kernel: OOB access in the Linux kernel's XFS subsystem

2192589 - CVE-2023-2235 kernel: use-after-free vulnerability in the perf_group_detach function of the Linux Kernel Performance Events

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