Use After Free Affecting kernel-tools-libs-devel package, versions <0:4.18.0-240.el8


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.4% (75th percentile)

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  • Snyk IDSNYK-ALMALINUX8-KERNELTOOLSLIBSDEVEL-5659261
  • published28 May 2023
  • disclosed3 Nov 2020

Introduced: 3 Nov 2020

CVE-2019-19447  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 kernel-tools-libs-devel to version 0:4.18.0-240.el8 or higher.
This issue was patched in ALSA-2020:4431.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-tools-libs-devel package and not the kernel-tools-libs-devel package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

In the Linux kernel 5.0.21, mounting a crafted ext4 filesystem image, performing some operations, and unmounting can lead to a use-after-free in ext4_put_super in fs/ext4/super.c, related to dump_orphan_list in fs/ext4/super.c.

CVSS Scores

version 3.1