Use After Free Affecting kernel-uek package, versions <0:4.14.35-1902.302.2.el7uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.08% (36th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEK-2574386
  • published10 Apr 2022
  • disclosed6 Feb 2020

Introduced: 6 Feb 2020

CVE-2020-8649  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-uek to version 0:4.14.35-1902.302.2.el7uek or higher.
This issue was patched in ELSA-2020-5676.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek package and not the kernel-uek package as distributed by Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the vgacon_invert_region function in drivers/video/console/vgacon.c.

CVSS Scores

version 3.1