SUSE-SU-2021:0826-1
SUSE-SU-2021:0826-1 · Security update for the Linux Kernel (Live Patch 12 for SLE 12 SP4)
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This update for the Linux Kernel 4.12.14-95_48 fixes several issues. The following security issues were fixed: - CVE-2020-29368: Fixed an issue in copy-on-write implementation which could have granted unintended write access because of a race condition in a THP mapcount check (bsc#1179664). - Fixed an issue where NFS client filesystems got unmounted on fail-over (bsc#1182468). - CVE-2021-3347: Fixed a use-after-free in the PI futexes during fault handling, allowing local users to execute code in the kernel (bsc#1181553). - CVE-2020-27786: Fixed a potential user after free which could have led to memory corruption or privilege escalation (bsc#1179616). - CVE-2020-28374: Fixed insufficient identifier checking in the LIO SCSI target code which could have been used by remote attackers to read or write files via directory traversal in an XCOPY request (bsc#1178684).
Korrektur verfügbar
- Veröffentlicht
- Aktualisiert
Technologie-Stack: system
Betroffene Produkte und Versionen
kgraft-patch-sle12-sp4_update_13 SUSE:Linux Enterprise Live Patching 12 SP4
- Betroffene Versionsbereiche
- ECOSYSTEM: < 9-2.2
Auf 9-2.2 aktualisieren
kgraft-patch-sle12-sp4_update_12 SUSE:Linux Enterprise Live Patching 12 SP4
- Betroffene Versionsbereiche
- ECOSYSTEM: < 10-2.2
Auf 10-2.2 aktualisieren
Originalquellen
- https://www.suse.com/support/update/announcement/2021/suse-su-20210826-1/
- https://bugzilla.suse.com/1178684
- https://bugzilla.suse.com/1179616
- https://bugzilla.suse.com/1179664
- https://bugzilla.suse.com/1181553
- https://bugzilla.suse.com/1182468
- https://www.suse.com/security/cve/CVE-2020-27786
- https://www.suse.com/security/cve/CVE-2020-28374
- https://www.suse.com/security/cve/CVE-2020-29368
- https://www.suse.com/security/cve/CVE-2021-3347
- https://osv.dev/vulnerability/SUSE-SU-2021:0826-1