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[SUSE-SU-2021:0823-1] Security update for the Linux Kernel (Live Patch 14 for SLE 12 SP4)

Severity Important
CVEs 4
Info References Vulnerabilities

Security update for the Linux Kernel (Live Patch 14 for SLE 12 SP4)

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).
ID
SUSE-SU-2021:0823-1
Severity
important
URL
https://www.suse.com/support/update/announcement/2021/suse-su-20210823-1/
Published
2021-03-17T16:13:37
(3 years ago)
Modified
2021-03-17T16:13:37
(3 years ago)
Rights
Copyright 2024 SUSE LLC. All rights reserved.
Other Advisories
# CVE Description CVSS EPSS EPSS Trend (30 days) Affected Products Weaknesses Security Advisories Exploits PoC Pubblication Date Modification Date
# CVE Description CVSS EPSS EPSS Trend (30 days) Affected Products Weaknesses Security Advisories PoC Pubblication Date Modification Date