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SUSE: CVE-2020-8428: SUSE Linux Security Advisory

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SUSE: CVE-2020-8428: SUSE Linux Security Advisory

Severity
4
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:P)
Published
01/29/2020
Created
03/06/2020
Added
03/03/2020
Modified
02/04/2022

Description

fs/namei.c in the Linux kernel before 5.5 has a may_create_in_sticky use-after-free, which allows local users to cause a denial of service (OOPS) or possibly obtain sensitive information from kernel memory, aka CID-d0cb50185ae9. One attack vector may be an open system call for a UNIX domain socket, if the socket is being moved to a new parent directory and its old parent directory is being removed.

Solution(s)

  • suse-upgrade-cluster-md-kmp-default
  • suse-upgrade-dlm-kmp-default
  • suse-upgrade-gfs2-kmp-default
  • suse-upgrade-kernel-default
  • suse-upgrade-kernel-default-extra
  • suse-upgrade-kernel-docs
  • suse-upgrade-kernel-obs-build
  • suse-upgrade-ocfs2-kmp-default

References

  • SUSE-SU-2020:0511-1
  • SUSE-SU-2020:0558-1
  • SUSE-SU-2020:0559-1
  • SUSE-SU-2020:0560-1
  • SUSE-SU-2020:0580-1
  • SUSE-SU-2020:0584-1
  • SUSE-SU-2020:0613-1
  • SUSE-SU-2020:0649-1
  • SUSE-SU-2020:0667-1
  • SUSE-SU-2020:1663-1
  • USN-4318-1
  • USN-4319-1
  • USN-4320-1
  • USN-4324-1
  • USN-4325-1
  • CVE-2020-8428
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