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Red Hat Enterprise Linux 9 RHSA-2022:6610-01 Critical: Kernel Heap Overflow

red hat
Calendar Grey September 20, 2022
Dist Redhat Esm H88
Crucial security patches and bug corrections for the Red Hat Enterprise Linux 9 kernel have been released, resolving multiple vulnerabilities.
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):
* kernel: heap overflow in nft_set_elem_init() (CVE-2022-34918)
* kernel: vulnerability of buffer overflow in nft_set_desc_concat_parse() (CVE-2022-2078)
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):
* RDMA/mlx5: Fix number of allocated XLT entries (BZ#2092270)
* mlx5, Setup hanged when run test-route-nexthop-object.sh (BZ#2092535)
* many call traces from unchecked MSR access error: WRMSR to 0x199 in amazon i4.32xlarge instance (BZ#2099417)
* X86/platform/UV: Kernel Support Fixes for UV5 platform (BZ#2107732)
* block layer: fixes for md sync slow and softlockup at blk_mq_sched_dispatch_requests [9.0.0.z] (BZ#2111395)
* Fixes for NVMe/TCP dereferences an invalid, non-canonical pointer, kernel panic (BZ#2117755)
* Adding missing nvme fix to RHEL-9.1 (BZ#2117756)
* nvme/tcp mistakenly uses blk_mq_tag_to_rq(nvme_tcp_tagset(queue) (BZ#2118698)
* Important ice bug fixes (BZ#2119290)
* Power 9/ppc64le Incorrect Socket(s) & "Core(s) per socket" reported by lscpu command. (BZ#2121719)
Enhancement(s):
* lscpu does not show all of the support AMX flags (amx_int8, amx_bf16) (BZ#2108203)
* ice: Driver Update (BZ#2108204)
* iavf: Driver Update (BZ#2119477)
* i40e: Driver Update (BZ#2119479)

Topics%20covered

Topics Covered

security advisory buffer overflow bug fix Red Hat Enterprise Linux important heap overflow kernel

References

https://access.redhat.com/security/cve/CVE-2022-2078 https://access.redhat.com/security/cve/CVE-2022-34918 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux AppStream (v. 9):
aarch64: bpftool-debuginfo-5.14.0-70.26.1.el9_0.aarch64.rpm kernel-debug-debuginfo-5.14.0-70.26.1.el9_0.aarch64.rpm kernel-debug-devel-5.14.0-70.26.1.el9_0.aarch64.rpm kernel-debug-devel-matched-5.14.0-70.26.1.el9_0.aarch64.rpm kernel-debuginfo-5.14.0-70.26.1.el9_0.aarch64.rpm kernel-debuginfo-common-aarch64-5.14.0-70.26.1.el9_0.aarch64.rpm kernel-devel-5.14.0-70.26.1.el9_0.aarch64.rpm kernel-devel-matched-5.14.0-70.26.1.el9_0.aarch64.rpm kernel-headers-5.14.0-70.26.1.el9_0.aarch64.rpm kernel-tools-debuginfo-5.14.0-70.26.1.el9_0.aarch64.rpm perf-5.14.0-70.26.1.el9_0.aarch64.rpm perf-debuginfo-5.14.0-70.26.1.el9_0.aarch64.rpm python3-perf-debuginfo-5.14.0-70.26.1.el9_0.aarch64.rpm
noarch: kernel-doc-5.14.0-70.26.1.el9_0.noarch.rpm
ppc64le: bpftool-debuginfo-5.14.0-70.26.1.el9_0.ppc64le.rpm kernel-debug-debuginfo-5.14.0-70.26.1.el9_0.ppc64le.rpm kernel-debug-devel-5.14.0-70.26.1.el9_0.ppc64le.rpm kernel-debug-devel-matched-5.14.0-70.26.1.el9_0.ppc64le.rpm kernel-debuginfo-5.14.0-70.26.1.el9_0.ppc64le.rpm kernel-debuginfo-common-ppc64le-5.14.0-70.26.1.el9_0.ppc64le.rpm kernel-devel-5.14.0-70.26.1.el9_0.ppc64le.rpm kernel-devel-matched-5.14.0-70.26.1.el9_0.ppc64le.rpm kernel-headers-5.14.0-70.26.1.el9_0.ppc64le.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:6610-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:6610
Issue date: 2022-09-20

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 buffer overflow bug fix Red Hat Enterprise Linux important heap overflow kernel

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

2096178 - CVE-2022-2078 kernel: Vulnerability of buffer overflow in nft_set_desc_concat_parse()

2104423 - CVE-2022-34918 kernel: heap overflow in nft_set_elem_init()

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