RLSA-2021:3088
RLSA-2021:3088 · 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: race condition in net/can/bcm.c leads to local privilege escalation (CVE-2021-3609) * kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks (CVE-2021-22543) * kernel: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c (CVE-2021-22555) 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 Rocky Linux-8.4.z source tree (BZ#1985050) * kernel-rt: Merge mm/memcg: Fix kmem_cache_alloc() performance regression (BZ#1987102)
CVSS 7.8 · Hoch · Korrektur verfügbar
- Veröffentlicht
- Aktualisiert
Technologie-Stack: system
Betroffene Produkte und Versionen
kernel-rt Rocky Linux:8
- Betroffene Versionsbereiche
- ECOSYSTEM: < 0:4.18.0-305.12.1.rt7.84.el8_4
Auf 0:4.18.0-305.12.1.rt7.84.el8_4 aktualisieren