Denial of Service (DoS) Affecting torvalds/linux package, versions [,5.13.4)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
1.24% (66th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3005897
  • published26 Jan 2022
  • disclosed8 Aug 2021
  • creditUnknown

Introduced: 8 Aug 2021

CVE-2021-38199  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 5.13.4 or higher.

Overview

Affected versions of this package are vulnerable to Denial of Service (DoS) fs/nfs/nfs4client.c in the Linux kernel before 5.13.4 has incorrect connection-setup ordering, which allows operators of remote NFSv4 servers to cause a denial of service (hanging of mounts) by arranging for those servers to be unreachable during trunking detection.

CVSS Base Scores

version 3.1