SUSE-SU-2021:0823-1
SUSE-SU-2021:0823-1 · Security update for the Linux Kernel (Live Patch 14 for SLE 12 SP4)
Esta página presenta datos de fuentes públicas de vulnerabilidades. Consulta el aviso original antes de actualizar.
This update for the Linux Kernel 4.12.14-95_54 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). - Fixed an issue where NFS client hanged on write errors (bsc#1182108). - 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).
Corrección disponible
- Publicación
- Actualización
Pila tecnológica: system
Productos y versiones afectados
kgraft-patch-sle12-sp4_update_16 SUSE:Linux Enterprise Live Patching 12 SP4
- Intervalos de versiones afectados
- ECOSYSTEM: < 6-2.2
Actualiza a 6-2.2
kgraft-patch-sle12-sp4_update_15 SUSE:Linux Enterprise Live Patching 12 SP4
- Intervalos de versiones afectados
- ECOSYSTEM: < 7-2.2
Actualiza a 7-2.2
kgraft-patch-sle12-sp4_update_14 SUSE:Linux Enterprise Live Patching 12 SP4
- Intervalos de versiones afectados
- ECOSYSTEM: < 7-2.2
Actualiza a 7-2.2
Fuentes originales
- https://www.suse.com/support/update/announcement/2021/suse-su-20210823-1/
- https://bugzilla.suse.com/1178684
- https://bugzilla.suse.com/1179616
- https://bugzilla.suse.com/1179664
- https://bugzilla.suse.com/1181553
- https://bugzilla.suse.com/1182108
- 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-2021:0823-1