SUSE-SU-2021:0809-1
SUSE-SU-2021:0809-1 · Security update for the Linux Kernel (Live Patch 21 for SLE 15 SP1)
Cette page présente des faits issus de sources publiques. Consultez l’avis original avant toute mise à jour.
This update for the Linux Kernel 4.12.14-197_78 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). - 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-2021-0342: Fixed a potential memory corruption due to a use after free which could have led to local escalation of privilege with System execution privileges required (bsc#1180859).
Correctif disponible
- Publication
- Mise à jour
Pile logicielle: system
Produits et versions concernés
kgraft-patch-sle12-sp5_update_14 SUSE:Linux Enterprise Live Patching 12 SP5
- Plages de versions concernées
- ECOSYSTEM: < 3-2.2
Mettez à jour vers 3-2.2
kernel-livepatch-sle15-sp1_update_21 SUSE:Linux Enterprise Live Patching 15 SP1
- Plages de versions concernées
- ECOSYSTEM: < 3-2.2
Mettez à jour vers 3-2.2
Sources originales
- https://www.suse.com/support/update/announcement/2021/suse-su-20210809-1/
- https://bugzilla.suse.com/1179616
- https://bugzilla.suse.com/1179664
- https://bugzilla.suse.com/1180859
- https://bugzilla.suse.com/1181553
- https://www.suse.com/security/cve/CVE-2020-27786
- https://www.suse.com/security/cve/CVE-2020-29368
- https://www.suse.com/security/cve/CVE-2021-0342
- https://www.suse.com/security/cve/CVE-2021-3347
- https://osv.dev/vulnerability/SUSE-SU-2021:0809-1