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Red Hat: RHSA-2023-1203-01 Critical: Kernel Security Fix

red hat
Calendar Grey March 14, 2023
Dist Redhat Esm H88
Significant kernel upgrade for Red Hat Enterprise Linux 9.0 tackling vulnerabilities and defects. Comprehensive advisory accessible.
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 caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c (CVE-2022-3564)
* kernel: stack overflow in do_proc_dointvec and proc_skip_spaces (CVE-2022-4378)
* kernel: use-after-free in __nfs42_ssc_open() in fs/nfs/nfs4file.c leading to remote Denial of Service attack (CVE-2022-4379)
* kernel: Netfilter integer overflow vulnerability in nft_payload_copy_vlan (CVE-2023-0179)
* ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF (CVE-2023-0266)
* kernel: net: CPU soft lockup in TC mirred egress-to-ingress action (CVE-2022-4269)
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):
* RHEL9:[P10] With Guest Secure Boot and lockdown enabled, DLPAR operations can't be done (Rainier) (BZ#2107480)
* [RHEL 9.0] LTP Test failure and crash at fork14 on Sapphire Rapids Platinum 8280+ (BZ#2133084)
* RHEL9.0 - boot: Add secure boot trailer (BZ#2151529)
* 'date' command shows wrong time in nested KVM s390x guest (BZ#2158816)
* Kernel FIPS-140-3 requirements - part 3 - AES-XTS (BZ#2160176)
* RHEL 9.0.0 soft quota cannot exceed more the 5 warns which breaks timer functionality (BZ#2164263)
* In FIPS mode, the kernel should reject SHA-224, SHA-384, SHA-512-224, and SHA-512-256 as hashes for hash-based DRBGs, or provide an indicator after 2023-05-16 (BZ#2165131)
* [RHEL 9] FIPS: deadlock between PID 1 and "modprobe crypto-jitterentropy_rng" at boot, preventing system to boot. (BZ#2167762)
Enhancement(s):
* [Intel 9.2 FEAT] [SPR] CPU: AMX: Improve the init_fpstate setup code (BZ#2168383)

Topics%20covered

Topics Covered

security advisory Red Hat bug fix kernel system patch security impact importance

References

https://access.redhat.com/security/cve/CVE-2022-3564 https://access.redhat.com/security/cve/CVE-2022-4269 https://access.redhat.com/security/cve/CVE-2022-4378 https://access.redhat.com/security/cve/CVE-2022-4379 https://access.redhat.com/security/cve/CVE-2023-0179 https://access.redhat.com/security/cve/CVE-2023-0266 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux AppStream EUS (v.9.0):
aarch64: bpftool-debuginfo-5.14.0-70.49.1.el9_0.aarch64.rpm kernel-debug-debuginfo-5.14.0-70.49.1.el9_0.aarch64.rpm kernel-debug-devel-5.14.0-70.49.1.el9_0.aarch64.rpm kernel-debug-devel-matched-5.14.0-70.49.1.el9_0.aarch64.rpm kernel-debuginfo-5.14.0-70.49.1.el9_0.aarch64.rpm kernel-debuginfo-common-aarch64-5.14.0-70.49.1.el9_0.aarch64.rpm kernel-devel-5.14.0-70.49.1.el9_0.aarch64.rpm kernel-devel-matched-5.14.0-70.49.1.el9_0.aarch64.rpm kernel-headers-5.14.0-70.49.1.el9_0.aarch64.rpm kernel-tools-debuginfo-5.14.0-70.49.1.el9_0.aarch64.rpm perf-5.14.0-70.49.1.el9_0.aarch64.rpm perf-debuginfo-5.14.0-70.49.1.el9_0.aarch64.rpm python3-perf-debuginfo-5.14.0-70.49.1.el9_0.aarch64.rpm
noarch: kernel-doc-5.14.0-70.49.1.el9_0.noarch.rpm
ppc64le: bpftool-debuginfo-5.14.0-70.49.1.el9_0.ppc64le.rpm kernel-debug-debuginfo-5.14.0-70.49.1.el9_0.ppc64le.rpm kernel-debug-devel-5.14.0-70.49.1.el9_0.ppc64le.rpm kernel-debug-devel-matched-5.14.0-70.49.1.el9_0.ppc64le.rpm kernel-debuginfo-5.14.0-70.49.1.el9_0.ppc64le.rpm kernel-debuginfo-common-ppc64le-5.14.0-70.49.1.el9_0.ppc64le.rpm kernel-devel-5.14.0-70.49.1.el9_0.ppc64le.rpm kernel-devel-matched-5.14.0-70.49.1.el9_0.ppc64le.rpm kernel-headers-5.14.0-70.49.1.el9_0.ppc64le.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:1202-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:1202
Issue date: 2023-03-14

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 Red Hat bug fix kernel system patch security impact importance

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

2150272 - CVE-2022-4269 kernel: net: CPU soft lockup in TC mirred egress-to-ingress action

2150999 - CVE-2022-3564 kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c

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

2152807 - CVE-2022-4379 kernel: use-after-free in __nfs42_ssc_open() in fs/nfs/nfs4file.c leading to remote Denial of Service attack

2161713 - CVE-2023-0179 kernel: Netfilter integer overflow vulnerability in nft_payload_copy_vlan

2163379 - CVE-2023-0266 ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF

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