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Red Hat Enterprise Linux 9: RHSA-2022:7318-01 Important Kernel Update

red hat
Calendar Grey November 2, 2022
Dist Redhat Esm H88
The latest advisory from Red Hat highlights crucial updates to the kernel, focusing on security enhancements and bug resolutions for Enterprise Linux 9.
An update for kernel is now available for Red Hat Enterprise Linux 9

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):
* posix cpu timer use-after-free may lead to local privilege escalation (CVE-2022-2585)
* Unprivileged users may use PTRACE_SEIZE to set PTRACE_O_SUSPEND_SECCOMP option (CVE-2022-30594)
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):
* kernel crash after reboot of T14/G2 AMD laptop (mt7921e module) (BZ#2095653)
* execve exit tracepoint not called (BZ#2106661)
* Matrox black screen on VGA output on some systems. (BZ#2112017)
* The kernel needs to offer a way to reseed the Crypto DRBG and atomically extract random numbers from it (BZ#2121129)
* watchdog BUG: soft lockup - CPU#30 stuck for 34s! [swapper/30:0] (BZ#2127857)
* Update cifs to 5.16 (BZ#2127858)
* Bad page state in process qemu-kvm pfn:68a74600 (BZ#2127859)
* vfio zero page mappings fail after 2M instances (BZ#2128791)
* The kernel needs to offer a way to reseed the Crypto DRBG and atomically extract random numbers from it (part 2) (BZ#2128970)
Enhancement(s):
* Need to enable hpilo to support new HPE RL300 Gen11 for ARM (aarch64) (BZ#2129453)

Topics%20covered

Topics Covered

security advisory Red Hat local privilege escalation bug fix important kernel CVE

References

https://access.redhat.com/security/cve/CVE-2022-2585 https://access.redhat.com/security/cve/CVE-2022-30594 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux AppStream (v. 9):
aarch64: bpftool-debuginfo-5.14.0-70.30.1.el9_0.aarch64.rpm kernel-debug-debuginfo-5.14.0-70.30.1.el9_0.aarch64.rpm kernel-debug-devel-5.14.0-70.30.1.el9_0.aarch64.rpm kernel-debug-devel-matched-5.14.0-70.30.1.el9_0.aarch64.rpm kernel-debuginfo-5.14.0-70.30.1.el9_0.aarch64.rpm kernel-debuginfo-common-aarch64-5.14.0-70.30.1.el9_0.aarch64.rpm kernel-devel-5.14.0-70.30.1.el9_0.aarch64.rpm kernel-devel-matched-5.14.0-70.30.1.el9_0.aarch64.rpm kernel-headers-5.14.0-70.30.1.el9_0.aarch64.rpm kernel-tools-debuginfo-5.14.0-70.30.1.el9_0.aarch64.rpm perf-5.14.0-70.30.1.el9_0.aarch64.rpm perf-debuginfo-5.14.0-70.30.1.el9_0.aarch64.rpm python3-perf-debuginfo-5.14.0-70.30.1.el9_0.aarch64.rpm
noarch: kernel-doc-5.14.0-70.30.1.el9_0.noarch.rpm
ppc64le: bpftool-debuginfo-5.14.0-70.30.1.el9_0.ppc64le.rpm kernel-debug-debuginfo-5.14.0-70.30.1.el9_0.ppc64le.rpm kernel-debug-devel-5.14.0-70.30.1.el9_0.ppc64le.rpm kernel-debug-devel-matched-5.14.0-70.30.1.el9_0.ppc64le.rpm kernel-debuginfo-5.14.0-70.30.1.el9_0.ppc64le.rpm kernel-debuginfo-common-ppc64le-5.14.0-70.30.1.el9_0.ppc64le.rpm kernel-devel-5.14.0-70.30.1.el9_0.ppc64le.rpm kernel-devel-matched-5.14.0-70.30.1.el9_0.ppc64le.rpm kernel-headers-5.14.0-70.30.1.el9_0.ppc64le.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:7318-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:7318
Issue date: 2022-11-02

Topic

An update for kernel is now available for Red Hat Enterprise Linux 9.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 Red Hat local privilege escalation bug fix important kernel CVE

Relevant Releases Architectures

Red Hat CodeReady Linux Builder (v. 9) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux AppStream (v. 9) - aarch64, noarch, ppc64le, s390x, x86_64

Red Hat Enterprise Linux BaseOS (v. 9) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

2085300 - CVE-2022-30594 kernel: Unprivileged users may use PTRACE_SEIZE to set PTRACE_O_SUSPEND_SECCOMP option

2114874 - CVE-2022-2585 kernel: posix cpu timer use-after-free may lead to local privilege escalation

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