SUSE-SU-2021:0818-1

SUSE-SU-2021:0818-1 · Security update for the Linux Kernel (Live Patch 20 for SLE 15 SP1)

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This update for the Linux Kernel 4.12.14-197_75 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-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). - 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

2021-03-17T16:24:38Z

Mise à jour

2026-02-04T02:59:40.915681Z

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