RLSA-2021:3088
- Source
- https://errata.rockylinux.org/RLSA-2021:3088
- Import Source
- https://storage.googleapis.com/resf-osv-data/RLSA-2021:3088.json
- JSON Data
- https://api.osv.dev/v1/vulns/RLSA-2021:3088
- Related
- Published
- 2021-08-10T12:10:45Z
- Modified
- 2023-02-02T14:11:07.543769Z
- Severity
-
- 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- 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: race condition in net/can/bcm.c leads to local privilege escalation (CVE-2021-3609)
kernel: Improper handling of VMIO|VMPFNMAP vmas in KVM can bypass RO checks (CVE-2021-22543)
kernel: out-of-bounds write in xtcompattargetfromuser() 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 kmemcachealloc() performance regression (BZ#1987102)
- References
- Credits
-
-
- Rocky Enterprise Software Foundation
-
- Red Hat
-
Affected packages
Rocky Linux:8 / kernel-rt
Package
- Name
- kernel-rt
- Purl
- pkg:rpm/rocky-linux/kernel-rt?distro=rocky-linux-8-4-legacy&epoch=0