(RHSA-2022:5564) Important: kernel security, bug fix, and enhancement update

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

Security Fix(es):

• kernel: race condition in perf_event_open leads to privilege escalation (CVE-2022-1729)

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):

• conntrack entries linger around after test (BZ#2066356)

• Any process performing I/O doesn’t fail on degraded LVM RAID and IO process hangs (BZ#2075075)

• fix data corruption caused by dm-integrity (BZ#2082184)

• Backport request of “genirq: use rcu in kstat_irqs_usr()” (BZ#2083308)

• SUT will flash once color screen during boot to OS. (BZ#2083384)

• Kernel Support Fixes for UV5 platform (BZ#2084645)

• i/o on initiator stuck when network is disrupted (4.18.0-372.9.1.el8.x86_64) (BZ#2091078)

• glock deadlock (using the dct tool) (BZ#2092073)

• Recursive locking in gfs2_fault (read/write + mmap) (BZ#2092074)

• 8.6.z backport of “vmxnet3: add support for 32 Tx/Rx queues” from BZ 2083561 (BZ#2094473)

• System freezes with callstack in dmesg: ret_from_fork (BZ#2096305)

• Need some changes in RHEL8.x kernels. (BZ#2096931)

• Bad length in dpctl/dump-flows (BZ#2097796)

Enhancement(s):

• Elkhart Graphics - remove force_probe flag (BZ#2075567)