Issued:

2022-05-18

Updated:

2022-05-18

RHSA-2022:4642 - Important: kernel security and bug fix update

Synopsis

Important: kernel security and bug fix update

Type/Severity

Security Advisory Important

Topic

An update for kernel is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: cgroups v1 release_agent feature may allow privilege escalation (CVE-2022-0492)

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 panic in mlx5_ib driver RHEL/CentOS 7.9 VM (BZ#2046571)

• [RHEL-7.9] Get Call Trace about "kernel/timer.c:1270 requeue_timers+0x15e/0x170" on specified AMD x86_64 system (BZ#2048502)

• kernel NULL pointer dereference while calling dma_pool_alloc from the mlx5_core module (BZ#2055457)

• Rhel 7.9 NFS Clients takes very long time to resume operations in an NFS Server failover scenario (BZ#2066699)

• perf stat shows unsupported counters for Intel IceLake cpu (BZ#2072317)

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.

Affected Products

Updated Packages

• perf-debuginfo-3.10.0-1160.66.1.el7.s390x.rpm
• kernel-3.10.0-1160.66.1.el7.s390x.rpm
• bpftool-3.10.0-1160.66.1.el7.ppc64.rpm
• kernel-headers-3.10.0-1160.66.1.el7.s390x.rpm
• kernel-kdump-3.10.0-1160.66.1.el7.s390x.rpm
• perf-3.10.0-1160.66.1.el7.ppc64le.rpm
• kernel-devel-3.10.0-1160.66.1.el7.x86_64.rpm
• kernel-abi-whitelists-3.10.0-1160.66.1.el7.noarch.rpm
• perf-3.10.0-1160.66.1.el7.ppc64.rpm
• python-perf-3.10.0-1160.66.1.el7.x86_64.rpm
• kernel-3.10.0-1160.66.1.el7.src.rpm
• kernel-debug-debuginfo-3.10.0-1160.66.1.el7.x86_64.rpm
• kernel-tools-debuginfo-3.10.0-1160.66.1.el7.ppc64le.rpm
• kernel-debug-debuginfo-3.10.0-1160.66.1.el7.ppc64.rpm
• bpftool-debuginfo-3.10.0-1160.66.1.el7.ppc64.rpm
• kernel-debug-3.10.0-1160.66.1.el7.x86_64.rpm
• bpftool-3.10.0-1160.66.1.el7.x86_64.rpm
• kernel-debug-devel-3.10.0-1160.66.1.el7.ppc64le.rpm
• kernel-devel-3.10.0-1160.66.1.el7.s390x.rpm
• kernel-devel-3.10.0-1160.66.1.el7.ppc64le.rpm
• kernel-tools-libs-devel-3.10.0-1160.66.1.el7.x86_64.rpm
• python-perf-debuginfo-3.10.0-1160.66.1.el7.s390x.rpm
• perf-3.10.0-1160.66.1.el7.s390x.rpm
• python-perf-3.10.0-1160.66.1.el7.ppc64le.rpm
• bpftool-debuginfo-3.10.0-1160.66.1.el7.x86_64.rpm
• kernel-3.10.0-1160.66.1.el7.x86_64.rpm
• kernel-debug-3.10.0-1160.66.1.el7.ppc64le.rpm
• bpftool-3.10.0-1160.66.1.el7.s390x.rpm
• kernel-bootwrapper-3.10.0-1160.66.1.el7.ppc64le.rpm
• kernel-debuginfo-3.10.0-1160.66.1.el7.ppc64le.rpm
• kernel-tools-3.10.0-1160.66.1.el7.ppc64.rpm
• kernel-tools-libs-3.10.0-1160.66.1.el7.ppc64.rpm
• python-perf-debuginfo-3.10.0-1160.66.1.el7.x86_64.rpm
• kernel-tools-libs-devel-3.10.0-1160.66.1.el7.ppc64le.rpm
• kernel-debug-3.10.0-1160.66.1.el7.ppc64.rpm
• kernel-debug-devel-3.10.0-1160.66.1.el7.s390x.rpm
• kernel-debug-3.10.0-1160.66.1.el7.s390x.rpm
• kernel-debuginfo-common-ppc64le-3.10.0-1160.66.1.el7.ppc64le.rpm
• kernel-headers-3.10.0-1160.66.1.el7.ppc64le.rpm
• kernel-tools-libs-3.10.0-1160.66.1.el7.x86_64.rpm
• kernel-3.10.0-1160.66.1.el7.ppc64le.rpm
• kernel-doc-3.10.0-1160.66.1.el7.noarch.rpm
• kernel-kdump-devel-3.10.0-1160.66.1.el7.s390x.rpm
• kernel-tools-3.10.0-1160.66.1.el7.x86_64.rpm
• kernel-tools-libs-devel-3.10.0-1160.66.1.el7.ppc64.rpm
• perf-debuginfo-3.10.0-1160.66.1.el7.ppc64.rpm
• python-perf-3.10.0-1160.66.1.el7.s390x.rpm
• kernel-3.10.0-1160.66.1.el7.ppc64.rpm
• kernel-debuginfo-common-s390x-3.10.0-1160.66.1.el7.s390x.rpm
• kernel-debuginfo-common-ppc64-3.10.0-1160.66.1.el7.ppc64.rpm
• kernel-debuginfo-3.10.0-1160.66.1.el7.ppc64.rpm
• perf-debuginfo-3.10.0-1160.66.1.el7.x86_64.rpm
• bpftool-debuginfo-3.10.0-1160.66.1.el7.s390x.rpm
• kernel-devel-3.10.0-1160.66.1.el7.ppc64.rpm
• kernel-tools-libs-3.10.0-1160.66.1.el7.ppc64le.rpm
• kernel-debug-debuginfo-3.10.0-1160.66.1.el7.s390x.rpm
• kernel-debug-devel-3.10.0-1160.66.1.el7.x86_64.rpm
• perf-3.10.0-1160.66.1.el7.x86_64.rpm
• python-perf-debuginfo-3.10.0-1160.66.1.el7.ppc64.rpm
• kernel-tools-3.10.0-1160.66.1.el7.ppc64le.rpm
• kernel-headers-3.10.0-1160.66.1.el7.ppc64.rpm
• kernel-tools-debuginfo-3.10.0-1160.66.1.el7.ppc64.rpm
• python-perf-debuginfo-3.10.0-1160.66.1.el7.ppc64le.rpm
• kernel-debug-debuginfo-3.10.0-1160.66.1.el7.ppc64le.rpm
• kernel-debug-devel-3.10.0-1160.66.1.el7.ppc64.rpm
• kernel-tools-debuginfo-3.10.0-1160.66.1.el7.x86_64.rpm
• perf-debuginfo-3.10.0-1160.66.1.el7.ppc64le.rpm
• bpftool-debuginfo-3.10.0-1160.66.1.el7.ppc64le.rpm
• kernel-debuginfo-3.10.0-1160.66.1.el7.x86_64.rpm
• kernel-debuginfo-common-x86_64-3.10.0-1160.66.1.el7.x86_64.rpm
• kernel-bootwrapper-3.10.0-1160.66.1.el7.ppc64.rpm
• bpftool-3.10.0-1160.66.1.el7.ppc64le.rpm
• kernel-kdump-debuginfo-3.10.0-1160.66.1.el7.s390x.rpm
• kernel-headers-3.10.0-1160.66.1.el7.x86_64.rpm
• kernel-debuginfo-3.10.0-1160.66.1.el7.s390x.rpm
• python-perf-3.10.0-1160.66.1.el7.ppc64.rpm

Fixes

• This content is not included.BZ - 2051505
• This content is not included.BZ - 2055457

CVEs

• CVE-2022-0492

References

• https://access.redhat.com/security/updates/classification/#important

Additional information

• The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
• Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.