RHSA-2021:3445: Important: kernel-rt security and bug fix update

First published: Tue Sep 07 2021(Updated: )

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.<br>Security Fix(es):<br><li> kernel: out-of-bounds write due to a heap buffer overflow in __hidinput_change_resolution_multipliers() of hid-input.c (CVE-2021-0512)</li> <li> kernel: use-after-free in route4_change() in net/sched/cls_route.c (CVE-2021-3715)</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> OSLAT spikes on subset of cpus (BZ#1986064)</li> <li> Failure to enter full_nohz due to needless SCHED softirqs (BZ#1990273)</li> <li> kernel-rt: update RT source tree to the latest RHEL-8.2.z12 Batch source tree (BZ#1997761)</li>

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