Red Hat Enterprise Linux 8 RHSA-2022-0825-01 Important Kernel Update

The kernel packages contain the Linux kernel, the core of any Linux operating system.
The following packages have been upgraded to a later upstream version: kernel (4.18.0). (BZ#2036888)
Security Fix(es):
* kernel: improper initialization of the "flags" member of the new pipe_buffer (CVE-2022-0847)
* kernel: Use After Free in unix_gc() which could result in a local privilege escalation (CVE-2021-0920)
* kernel: local privilege escalation by exploiting the fsconfig syscall parameter leads to container breakout (CVE-2021-4154)
* kernel: possible privileges escalation due to missing TLB flush (CVE-2022-0330)
* kernel: remote stack overflow via kernel panic on systems using TIPC may lead to DoS (CVE-2022-0435)
* kernel: cgroups v1 release_agent feature may allow privilege escalation (CVE-2022-0492)
* kernel: missing check in ioctl allows kernel memory read/write (CVE-2022-0516)
* kernel: failing usercopy allows for use-after-free exploitation (CVE-2022-22942)
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):
* Intel QAT Kernel power up fix (BZ#2016437)
* RHEL8.4 seeing scsi_dma_map failed with mpt3sas driver and affecting performance (BZ#2018928)
* [Lenovo 8.4 bug] audio_HDMI certification failed on RHEL 8.4GA (No hdmi out) (BZ#2027335)
* [RHEL-8.5][4.18.0-323.el8.ppc64le][POWER8/9/10] security_flavor mode is not set back to zero post online migration (BZ#2027448)
* iommu/amd: Fix unable to handle page fault due to AVIC (BZ#2030854)
* [Lenovo 8.4 bug]The VGA display shows no signal (black screen) when install RHEL8.4(beta or rc1) in the legacy BIOS mode. (BZ#2034949)
* Double free of kmalloc-64 cache struct ib_port->pkey_group from module ib_core . (BZ#2038724)
* Bus error with huge pages enabled (BZ#2039015)
* RHEL8 - kvm: floating interrupts may get stuck (BZ#2040769)
* Data corruption on small files served by httpd, which is backed by cifs-mount (BZ#2041529)
* Add a net/mlx5 patch for Hardware Offload Fix (BZ#2042663)
* Windows guest random Bsod when 'hv-tlbflush' enlightenment is enabled (BZ#2043237)
* DNS lookup failures when run two times in a row (BZ#2043548)
* net/sched: Fix ct zone matching for invalid conntrack state (BZ#2043550)
* Kernel 4.18.0-348.2.1 secpath_cache memory leak involving strongswan tunnel (BZ#2047427)
* OCP node XFS metadata corruption after numerous reboots (BZ#2049292)
* Broadcom bnxt_re: RDMA stats are not incrementing (BZ#2049684)
* ice: bug fix series for 8.6 (BZ#2051951)
* panic while looking up a symlink due to NULL i_op->get_link (BZ#2052558)
* ceph omnibus backport for RHEL-8.6.0 (BZ#2053725)
* SCTP peel-off with SELinux and containers in OCP (BZ#2054112)
* Selinux is not allowing SCTP connection setup between inter pod communication in enforcing mode (BZ#2054117)
* dnf fails with fsync() over local repository present on CIFS mount point (BZ#2055824)