RHSA-2021:3442: Important: kpatch-patch security update

First published: Tue Sep 07 2021(Updated: )

This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.<br>Security Fix(es):<br><li> kernel: race condition in net/can/bcm.c leads to local privilege escalation (CVE-2021-3609)</li> <li> kernel: use-after-free in route4_change() in net/sched/cls_route.c (CVE-2021-3715)</li> <li> kernel: powerpc: KVM guest OS users can cause host OS memory corruption (CVE-2021-37576)</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.

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