SUSE-SU-2021:0826-1
SUSE-SU-2021:0826-1 · Security update for the Linux Kernel (Live Patch 12 for SLE 12 SP4)
Cette page présente des faits issus de sources publiques. Consultez l’avis original avant toute mise à jour.
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).
Correctif disponible
- Publication
- Mise à jour
Pile logicielle: system
Produits et versions concernés
kgraft-patch-sle12-sp4_update_13 SUSE:Linux Enterprise Live Patching 12 SP4
- Plages de versions concernées
- ECOSYSTEM: < 9-2.2
Mettez à jour vers 9-2.2
kgraft-patch-sle12-sp4_update_12 SUSE:Linux Enterprise Live Patching 12 SP4
- Plages de versions concernées
- ECOSYSTEM: < 10-2.2
Mettez à jour vers 10-2.2
Sources originales
- 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