RLSA-2022:0819

RLSA-2022:0819 · Important: kernel-rt security and bug fix update

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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: improper initialization of the "flags" member of the new pipe_buffer (CVE-2022-0847) * kernel: Use After Free in unix_gc() which could result in a local privilege escalation (CVE-2021-0920) * kernel: local privilege escalation by exploiting the fsconfig syscall parameter leads to container breakout (CVE-2021-4154) * kernel: possible privileges escalation due to missing TLB flush (CVE-2022-0330) * kernel: remote stack overflow via kernel panic on systems using TIPC may lead to DoS (CVE-2022-0435) * kernel: cgroups v1 release_agent feature may allow privilege escalation (CVE-2022-0492) * kernel: failing usercopy allows for use-after-free exploitation (CVE-2022-22942) 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 symbol '__rt_mutex_init' is exported GPL-only in kernel 4.18.0-348.2.1.rt7.132.el8_5 (BZ#2038423) * kernel-rt: update RT source tree to the Rocky Linux-8.5.z3 source tree (BZ#2045589)

CVSS 8.8 · Élevée · Correctif disponible

Publication

2022-03-10T14:37:54Z

Mise à jour

2026-02-05T03:15:12.405474Z

Pile logicielle: system

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