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SUSE: CVE-2018-13405: SUSE Linux Security Advisory

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SUSE: CVE-2018-13405: SUSE Linux Security Advisory

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
07/06/2018
Created
03/19/2019
Added
07/25/2018
Modified
03/01/2022

Description

The inode_init_owner function in fs/inode.c in the Linux kernel through 3.16 allows local users to create files with an unintended group ownership, in a scenario where a directory is SGID to a certain group and is writable by a user who is not a member of that group. Here, the non-member can trigger creation of a plain file whose group ownership is that group. The intended behavior was that the non-member can trigger creation of a directory (but not a plain file) whose group ownership is that group. The non-member can escalate privileges by making the plain file executable and SGID.

Solution(s)

  • suse-upgrade-kernel-azure-base
  • suse-upgrade-kernel-debug-base
  • suse-upgrade-kernel-default
  • suse-upgrade-kernel-default-extra
  • suse-upgrade-kernel-default-man
  • suse-upgrade-kernel-devel-azure
  • suse-upgrade-kernel-docs
  • suse-upgrade-kernel-kvmsmall-base
  • suse-upgrade-kernel-obs-build
  • suse-upgrade-kernel-source-azure
  • suse-upgrade-kernel-vanilla
  • suse-upgrade-kernel-vanilla-base
  • suse-upgrade-kernel-vanilla-devel
  • suse-upgrade-kernel-vanilla-livepatch-devel
  • suse-upgrade-kernel-zfcpdump-man

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