RLSA-2023:4378

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RLSA-2023:4378

Summary: Important: kernel-rt security and bug fix update

Details: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix(es): * kernel: ipvlan: out-of-bounds write caused by unclear skb->cb (CVE-2023-3090) * kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt() (CVE-2023-35788) * kernel: KVM: x86/mmu: race condition in direct_page_fault() (CVE-2022-45869) * kernel: speculative pointer dereference in do_prlimit() in kernel/sys.c (CVE-2023-0458) * kernel: Spectre v2 SMT mitigations problem (CVE-2023-1998) 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. Bug Fix(es): * Rocky Linux9 rt: blktests block/024 failed (BZ#2209920) * Backport pinned timers RT specific behavior for FIFO tasks (BZ#2210071) * kernel-rt: update RT source tree to the Rocky Linux-9.2z2 source tree (BZ#2215122) * kernel-rt: update RT source tree to the Rocky Linux-9.2z2b source tree (BZ#2222796)

References: https://errata.rockylinux.org/RLSA-2023:4378, https://bugzilla.redhat.com/show_bug.cgi?id=2151317, https://bugzilla.redhat.com/show_bug.cgi?id=2187257, https://bugzilla.redhat.com/show_bug.cgi?id=2193219, https://bugzilla.redhat.com/show_bug.cgi?id=2215768, https://bugzilla.redhat.com/show_bug.cgi?id=2218672