RHSA-2022:8673: Important: kernel-rt security and bug fix update

First published: Tue Nov 29 2022(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> KVM: cmpxchg_gpte can write to pfns outside the userspace region (CVE-2022-1158)</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> Multicast packets are not received by all VFs on the same port even though they have the same VLAN (BZ#2117027)</li> <li> Backport use of a dedicate thread for timer wakeups (BZ#2127206)</li> <li> Update RT source tree to the RHEL-8.4.z13 source tree. (BZ#2129948)</li> <li> Cannot trigger kernel dump using NMI on SNO node running PAO and RT kernel [RT-8] (BZ#2139853)</li>

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