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Red Hat: RHSA-2022:4829-01 Important: Kernel Security Fix Issues

red hat
Calendar Grey May 31, 2022
Dist Redhat Esm H88
Delve into the details surrounding the vital kernel security patch for Red Hat Enterprise Linux, addressing significant vulnerabilities and challenges.
An update for kernel is now available for Red Hat Enterprise Linux 8.4 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: buffer overflow in IPsec ESP transformation code (CVE-2022-27666)
* kernel: security regression for CVE-2018-13405 (CVE-2021-4037)
* kernel: new DNS Cache Poisoning Attack based on ICMP fragment needed packets replies (CVE-2021-20322)
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: Add support for CPU-MF counter second version 7 (BZ#2050686)
* BNXT driver logging added latency tc-hw-offload (BZ#2059860)
* RHEL 8 not disabling the qla2x00_timer() when the system is rebooted. (BZ#2066347)
* spec: Fix separate tools build (BZ#2074075)
* VirtIO Throughput for VM on host with OVS HW-Offload is very low (BZ#2074222)
* kernel BUG at fs/ext4/mballoc.c:3245! (BZ#2074241)
* sctp connection abort unexpected. (BZ#2075131)
* [GSS]OCP node kernel crash due to ceph_fsync - unsafe_request_wait+0x143 (BZ#2080072)
* TCP doesn't retransmit if in reorder state and waits for RTO (BZ#2080973)
* kernel paging space issue (BZ#2080990)
* Important ice bug fixes (BZ#2081795)
Enhancement(s):
* Bring UV subsystem up to date with upstream kernel 5.12 (BZ#2058190)
* update qla2xxx driver to latest upstream (BZ#2060427)
* Update ice and iavf drivers to upstream v5.17 (BZ#2070546)

Topics%20covered

Topics Covered

security advisory Red Hat buffer overflow bug fix DoS important kernel

References

https://access.redhat.com/security/cve/CVE-2021-4037 https://access.redhat.com/security/cve/CVE-2021-20322 https://access.redhat.com/security/cve/CVE-2022-27666 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux BaseOS EUS (v.8.4):
Source: kernel-4.18.0-305.49.1.el8_4.src.rpm
aarch64: bpftool-4.18.0-305.49.1.el8_4.aarch64.rpm bpftool-debuginfo-4.18.0-305.49.1.el8_4.aarch64.rpm kernel-4.18.0-305.49.1.el8_4.aarch64.rpm kernel-core-4.18.0-305.49.1.el8_4.aarch64.rpm kernel-cross-headers-4.18.0-305.49.1.el8_4.aarch64.rpm kernel-debug-4.18.0-305.49.1.el8_4.aarch64.rpm kernel-debug-core-4.18.0-305.49.1.el8_4.aarch64.rpm kernel-debug-debuginfo-4.18.0-305.49.1.el8_4.aarch64.rpm kernel-debug-devel-4.18.0-305.49.1.el8_4.aarch64.rpm kernel-debug-modules-4.18.0-305.49.1.el8_4.aarch64.rpm kernel-debug-modules-extra-4.18.0-305.49.1.el8_4.aarch64.rpm kernel-debuginfo-4.18.0-305.49.1.el8_4.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-305.49.1.el8_4.aarch64.rpm kernel-devel-4.18.0-305.49.1.el8_4.aarch64.rpm kernel-headers-4.18.0-305.49.1.el8_4.aarch64.rpm kernel-modules-4.18.0-305.49.1.el8_4.aarch64.rpm kernel-modules-extra-4.18.0-305.49.1.el8_4.aarch64.rpm kernel-tools-4.18.0-305.49.1.el8_4.aarch64.rpm kernel-tools-debuginfo-4.18.0-305.49.1.el8_4.aarch64.rpm kernel-tools-libs-4.18.0-305.49.1.el8_4.aarch64.rpm perf-4.18.0-305.49.1.el8_4.aarch64.rpm perf-debuginfo-4.18.0-305.49.1.el8_4.aarch64.rpm python3-perf-4.18.0-305.49.1.el8_4.aarch64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:4829-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:4829
Issue date: 2022-05-31

Topic

An update for kernel is now available for Red Hat Enterprise Linux 8.4Extended 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 buffer overflow bug fix DoS important kernel

Relevant Releases Architectures

Red Hat CodeReady Linux Builder EUS (v. 8.4) - aarch64, ppc64le, x86_64

Red Hat Enterprise Linux BaseOS EUS (v.8.4) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

2014230 - CVE-2021-20322 kernel: new DNS Cache Poisoning Attack based on ICMP fragment needed packets replies

2027239 - CVE-2021-4037 kernel: security regression for CVE-2018-13405

2061633 - CVE-2022-27666 kernel: buffer overflow in IPsec ESP transformation code

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