Use After Free Affecting bpftool package, versions <0:3.10.0-1160.el7


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.09% (26th percentile)

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  • Snyk IDSNYK-ORACLE7-BPFTOOL-2561949
  • 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 bpftool to version 0:3.10.0-1160.el7 or higher.
This issue was patched in ELSA-2020-4060.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bpftool package and not the bpftool 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 Base Scores

version 3.1