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SUSE: CVE-2018-12233: SUSE Linux Security Advisory

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SUSE: CVE-2018-12233: SUSE Linux Security Advisory

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
06/12/2018
Created
07/25/2018
Added
06/21/2018
Modified
02/04/2022

Description

In the ea_get function in fs/jfs/xattr.c in the Linux kernel through 4.17.1, a memory corruption bug in JFS can be triggered by calling setxattr twice with two different extended attribute names on the same file. This vulnerability can be triggered by an unprivileged user with the ability to create files and execute programs. A kmalloc call is incorrect, leading to slab-out-of-bounds in jfs_xattr.

Solution(s)

  • suse-upgrade-kernel-azure-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-obs-build
  • suse-upgrade-kernel-source-azure

References

  • SUSE-SU-2018:1772-1
  • SUSE-SU-2018:1816-1
  • SUSE-SU-2018:2092-1
  • SUSE-SU-2018:2332-1
  • SUSE-SU-2018:2366-1
  • SUSE-SU-2018:2637-1
  • USN-3752-1
  • USN-3752-2
  • USN-3752-3
  • USN-3753-1
  • USN-3753-2
  • USN-3754-1
  • CVE-2018-12233
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