bpftool, kernel, perf, python security update

CentOS Errata and Security Advisory CESA-2022:4642

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)

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2022-May/086274.html

Affected packages:
bpftool
kernel
kernel-abi-whitelists
kernel-debug
kernel-debug-devel
kernel-devel
kernel-doc
kernel-headers
kernel-tools
kernel-tools-libs
kernel-tools-libs-devel
perf
python-perf

Upstream details at:
https://access.redhat.com/errata/RHSA-2022:4642