Use After Free Affecting kernel-default-man package, versions <4.12.14-197.34.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.61% (80th percentile)

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  • Snyk IDSNYK-SLES151-KERNELDEFAULTMAN-3254786
  • published14 Apr 2022
  • disclosed2 Mar 2020

Introduced: 2 Mar 2020

CVE-2019-19767  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade SLES:15.1 kernel-default-man to version 4.12.14-197.34.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-default-man package and not the kernel-default-man package as distributed by SLES. See How to fix? for SLES:15.1 relevant fixed versions and status.

The Linux kernel before 5.4.2 mishandles ext4_expand_extra_isize, as demonstrated by use-after-free errors in __ext4_expand_extra_isize and ext4_xattr_set_entry, related to fs/ext4/inode.c and fs/ext4/super.c, aka CID-4ea99936a163.

CVSS Scores

version 3.1