Out-of-Bounds Affecting ocfs2-kmp-default package, versions <4.12.14-25.3.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.46% (77th percentile)

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  • Snyk IDSNYK-SLES150-OCFS2KMPDEFAULT-2763790
  • published14 Apr 2022
  • disclosed27 Jul 2018

Introduced: 27 Jul 2018

CVE-2018-12233  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade SLES:15.0 ocfs2-kmp-default to version 4.12.14-25.3.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ocfs2-kmp-default package and not the ocfs2-kmp-default package as distributed by SLES. See How to fix? for SLES:15.0 relevant fixed versions and status.

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.

CVSS Scores

version 3.1