RHSA-2022:0186: Important: kernel security, bug fix, and enhancement update

First published: Wed Jan 19 2022(Updated: )

The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: local privilege escalation by exploiting the fsconfig syscall parameter leads to container breakout (CVE-2021-4154)</li> <li> kernel: xfs: raw block device data leak in XFS_IOC_ALLOCSP IOCTL (CVE-2021-4155)</li> <li> kernel: fs_context: heap overflow in legacy parameter handling (CVE-2022-0185)</li> 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.<br>Bug Fix(es):<br><li> ionic upstream bug fix - linearize skb with too many frags (BZ#1952077)</li> <li> kernel show “ BUG: scheduling while atomic:xxx“ and reboot when an uncorrectable memory error injection on RHEL8.4 beta and GA (BZ#2003993)</li> <li> [RHEL 8.3] Discard request from mkfs.xfs takes too much time on raid10 (BZ#2020418)</li> <li> CNB: Rebase/update TC subsystem for RHEL 8.5 (BZ#2021644)</li> <li> Proactively Backport MM fixes for el8.5 - 2nd round (BZ#2023923)</li> <li> [RHEL-8.6][SanityOnly] Backport leftover migrate_disable BPF related change (BZ#2027688)</li> <li> Backport kernel audit enhancements and fixes from v5.10 to v5.13-rc1 (BZ#2028871)</li> <li> Proactively Backport MM fixes for el8.5 (BZ#2029383)</li> <li> iommu/amd: Fix unable to handle page fault due to AVIC (BZ#2030853)</li> <li> RCU stall WARNING: at kernel/rcu/tree.c:1392 rcu_advance_cbs_nowake+0x51/0x60 (BZ#2032578)</li> <li> PTP "clock jumped backward or running slower than expected!" in OpenShift 4.8 environment with Intel E810 (BZ#2037834)</li> Enhancement(s):<br><li> [Mellanox 8.5 FEAT] mlx5: drivers update upto Linux v5.12 (BZ#2023918)</li>

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