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


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.41% (33rd percentile)

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  • Snyk IDSNYK-ORACLE8-KERNELDEVEL-2565436
  • published10 Apr 2022
  • disclosed6 Feb 2020

Introduced: 6 Feb 2020

CVE-2020-8647  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Oracle:8 kernel-devel to version 0:4.18.0-240.el8 or higher.
This issue was patched in ELSA-2020-4431.

NVD Description

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

There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the vc_do_resize function in drivers/tty/vt/vt.c.

CVSS Base Scores

version 3.1