Use After Free Affecting torvalds/linux package, versions [,5.8)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.12% (32nd percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3005852
  • published26 Jan 2022
  • disclosed23 Nov 2020
  • creditUnknown

Introduced: 23 Nov 2020

CVE-2020-15436  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 5.8 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free. Use-after-free vulnerability in fs/block_dev.c in the Linux kernel before 5.8 allows local users to gain privileges or cause a denial of service by leveraging improper access to a certain error field.

References

CVSS Base Scores

version 3.1