Use After Free Affecting torvalds/linux package, versions [,5.12.4)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.02% (4th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3005379
  • published26 Jan 2022
  • disclosed12 May 2021
  • creditUnknown

Introduced: 12 May 2021

CVE-2021-23134  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 5.12.4 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free. Use After Free vulnerability in nfc sockets in the Linux Kernel before 5.12.4 allows local attackers to elevate their privileges. In typical configurations, the issue can only be triggered by a privileged local user with the CAP_NET_RAW capability.

References

CVSS Base Scores

version 3.1