NULL Pointer Dereference Affecting kernel-uek-devel package, versions <0:5.4.17-2102.200.13.el7uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEKDEVEL-2598558
  • published10 Apr 2022
  • disclosed4 Mar 2021

Introduced: 4 Mar 2021

CVE-2020-25639  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-uek-devel to version 0:5.4.17-2102.200.13.el7uek or higher.
This issue was patched in ELSA-2021-9140.

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:7 relevant fixed versions and status.

A NULL pointer dereference flaw was found in the Linux kernel's GPU Nouveau driver functionality in versions prior to 5.12-rc1 in the way the user calls ioctl DRM_IOCTL_NOUVEAU_CHANNEL_ALLOC. This flaw allows a local user to crash the system.

CVSS Scores

version 3.1