bpftool, kernel, perf, python security update

CentOS Errata and Security Advisory CESA-2022:5937

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

Security Fix(es):

• Incomplete cleanup of multi-core shared buffers (aka SBDR) (CVE-2022-21123)

• Incomplete cleanup of microarchitectural fill buffers (aka SBDS) (CVE-2022-21125)

• Incomplete cleanup in specific special register write operations (aka DRPW) (CVE-2022-21166)

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):

• SolarFlare sfc spurious TX completion (BZ#1793280)

• Page allocation failure on cryptsetup open (BZ#2072970)

• The kernel-rt crashes where one task is indefinitely looping in __start_cfs_bandwidth() with the cfs_b->lock spinlock being held (BZ#2077346)

• While using PTimekeeper the qede driver produces excessive log messages (BZ#2080646)

• The kernel crashes due to a GPF happens in mutex_spin_on_owner(). The known RDMA/cma bug that was introduced with a patch from upstream commit 722c7b2bfead is the possible cause. (BZ#2085425)

• Running LTP testcase creat09 fails showing related to ‘cve-2018-13405’ (BZ#2089360)

• Crash when releasing inode which was on unmouted superblock (BZ#2096884)

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2022-August/086319.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-2022:5937