ALSA-2022:5267

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ALSA-2022:5267

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: Small table perturb size in the TCP source port generation algorithm can lead to information leak (CVE-2022-1012) * kernel: race condition in perf_event_open leads to privilege escalation (CVE-2022-1729) * kernel: a use-after-free write in the netfilter subsystem can lead to privilege escalation to root (CVE-2022-1966) * kernel: buffer overflow in IPsec ESP transformation code (CVE-2022-27666) 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): * kernel-rt: update RT source tree to the latest AlmaLinux-9.0.z1 Batch (BZ#2089492)

References: https://access.redhat.com/errata/RHSA-2022:5267, https://access.redhat.com/security/cve/CVE-2022-1012, https://access.redhat.com/security/cve/CVE-2022-1729, https://access.redhat.com/security/cve/CVE-2022-1966, https://access.redhat.com/security/cve/CVE-2022-27666, https://bugzilla.redhat.com/2061633, https://bugzilla.redhat.com/2064604, https://bugzilla.redhat.com/2086753, https://bugzilla.redhat.com/2092427, https://errata.almalinux.org/9/ALSA-2022-5267.html