RHSA-2021:3523: Important: kpatch-patch security update

First published: Tue Sep 14 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: Use after free via PI futex state (CVE-2021-3347)</li> <li> kernel: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c (CVE-2021-22555)</li> <li> kernel: race condition for removal of the HCI controller (CVE-2021-32399)</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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