NULL Pointer Dereference Affecting torvalds/linux package, versions [,5.11.3)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.1% (29th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3004969
  • published26 Jan 2022
  • disclosed4 Mar 2021
  • creditUnknown

Introduced: 4 Mar 2021

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

How to fix?

Upgrade torvalds/linux to version 5.11.3 or higher.

Overview

Affected versions of this package are vulnerable to NULL Pointer Dereference. 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 Base Scores

version 3.1