Use After Free Affecting kernel-uek-devel package, versions <0:5.4.17-2011.3.2.1.el8uek


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.27% (66th percentile)

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  • Snyk IDSNYK-ORACLE8-KERNELUEKDEVEL-2576608
  • published10 Apr 2022
  • disclosed29 Nov 2019

Introduced: 29 Nov 2019

CVE-2019-19377  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Oracle:8 kernel-uek-devel to version 0:5.4.17-2011.3.2.1.el8uek or higher.
This issue was patched in ELSA-2020-5714.

NVD Description

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

In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and unmounting can lead to a use-after-free in btrfs_queue_work in fs/btrfs/async-thread.c.

CVSS Scores

version 3.1