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


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELHEADERS-2564321
  • 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)
First added by Snyk

How to fix?

Upgrade Oracle:7 kernel-headers 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 kernel-headers package and not the kernel-headers 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 vc_do_resize function in drivers/tty/vt/vt.c.

CVSS Scores

version 3.1