RHSA-2022:0636: Important: kernel security and bug fix update

First published: Tue Feb 22 2022(Updated: )

The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: Use After Free in unix_gc() which could result in a local privilege escalation (CVE-2021-0920)</li> <li> kernel: use-after-free in RDMA listen() (CVE-2021-4028)</li> <li> kernel: xfs: raw block device data leak in XFS_IOC_ALLOCSP IOCTL (CVE-2021-4155)</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> bpf: update to v5.7 (BZ#2019883)</li> <li> Backport leftover migrate_disable BPF related change (BZ#2027687)</li> <li> assuming atomic context at include/linux/filter.h:597 (BZ#2043427)</li>

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