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SUSE: CVE-2014-9717: SUSE Linux Security Advisory

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SUSE: CVE-2014-9717: SUSE Linux Security Advisory

Severity
4
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:N)
Published
05/02/2016
Created
07/25/2018
Added
07/26/2016
Modified
02/04/2022

Description

fs/namespace.c in the Linux kernel before 4.0.2 processes MNT_DETACH umount2 system calls without verifying that the MNT_LOCKED flag is unset, which allows local users to bypass intended access restrictions and navigate to filesystem locations beneath a mount by calling umount2 within a user namespace.

Solution(s)

  • suse-upgrade-kernel-default
  • suse-upgrade-kernel-docs
  • suse-upgrade-kernel-ec2
  • suse-upgrade-kernel-ec2-devel
  • suse-upgrade-kernel-ec2-extra
  • suse-upgrade-kernel-obs-build

References

  • SUSE-SU-2016:1690
  • SUSE-SU-2016:1690-1
  • SUSE-SU-2016:1696
  • SUSE-SU-2016:1696-1
  • SUSE-SU-2016:1937
  • SUSE-SU-2016:1937-1
  • 74226
  • CVE-2014-9717
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