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RedHat: RHSA-2023:0496-01 Important: Kernel Memory Corruption Fix

red hat
Calendar Grey January 30, 2023
Dist Redhat Esm H88
Essential security and bug patch released for Red Hat Enterprise Linux 8.4, targeting numerous significant vulnerabilities.
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: memory corruption in AX88179_178A based USB ethernet device. (CVE-2022-2964)
* kernel: i915: Incorrect GPU TLB flush can lead to random memory access (CVE-2022-4139)
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):
* fix for "CoW after fork() issue" aka "vmsplice child -> parent attack" aka "GUP after fork bug" (BZ#2137547)
* After upgrading to ocp4.11.1, our dpdk application using vlan strip offload is not working (BZ#2138207)
* i40e sriov virtual functions not created (BZ#2140103)
* net/ice: VIRTCHNL_OP_CONFIG_VSI_QUEUES command handling failure with in-tree driver (BZ#2142019)
* HPE: Premature swapping with swappiness=0 while there’s still plenty of pagecache to be reclaimed. (BZ#2151634)
* The "kernel BUG at mm/usercopy.c:103!" from BZ 2041529 is back on rhel-8.5 (BZ#2153232)
* Azure: Sometimes newly deployed VMs are not getting accelerated network during provisioning (BZ#2155274)
* Azure: VM Deployment Failures Patch Request (BZ#2155282)
* RHEL 8.8: Backport upstream patches to reduce memory cgroup memory consumption and OOM problem (BZ#2157924)
* RHEL 8.5: Backport upstream memory cgroup commits up to v5.12 (BZ#2158049)

Topics%20covered

Topics Covered

security advisory bug fix memory corruption important kernel RHEL GPU access

References

https://access.redhat.com/security/cve/CVE-2022-2964 https://access.redhat.com/security/cve/CVE-2022-4139 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux BaseOS EUS (v.8.4):
Source: kernel-4.18.0-305.76.1.el8_4.src.rpm
aarch64: bpftool-4.18.0-305.76.1.el8_4.aarch64.rpm bpftool-debuginfo-4.18.0-305.76.1.el8_4.aarch64.rpm kernel-4.18.0-305.76.1.el8_4.aarch64.rpm kernel-core-4.18.0-305.76.1.el8_4.aarch64.rpm kernel-cross-headers-4.18.0-305.76.1.el8_4.aarch64.rpm kernel-debug-4.18.0-305.76.1.el8_4.aarch64.rpm kernel-debug-core-4.18.0-305.76.1.el8_4.aarch64.rpm kernel-debug-debuginfo-4.18.0-305.76.1.el8_4.aarch64.rpm kernel-debug-devel-4.18.0-305.76.1.el8_4.aarch64.rpm kernel-debug-modules-4.18.0-305.76.1.el8_4.aarch64.rpm kernel-debug-modules-extra-4.18.0-305.76.1.el8_4.aarch64.rpm kernel-debuginfo-4.18.0-305.76.1.el8_4.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-305.76.1.el8_4.aarch64.rpm kernel-devel-4.18.0-305.76.1.el8_4.aarch64.rpm kernel-headers-4.18.0-305.76.1.el8_4.aarch64.rpm kernel-modules-4.18.0-305.76.1.el8_4.aarch64.rpm kernel-modules-extra-4.18.0-305.76.1.el8_4.aarch64.rpm kernel-tools-4.18.0-305.76.1.el8_4.aarch64.rpm kernel-tools-debuginfo-4.18.0-305.76.1.el8_4.aarch64.rpm kernel-tools-libs-4.18.0-305.76.1.el8_4.aarch64.rpm perf-4.18.0-305.76.1.el8_4.aarch64.rpm perf-debuginfo-4.18.0-305.76.1.el8_4.aarch64.rpm python3-perf-4.18.0-305.76.1.el8_4.aarch64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:0496-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:0496
Issue date: 2023-01-30

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 bug fix memory corruption important kernel RHEL GPU access

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

2067482 - CVE-2022-2964 kernel: memory corruption in AX88179_178A based USB ethernet device.

2147572 - CVE-2022-4139 kernel: i915: Incorrect GPU TLB flush can lead to random memory access

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