Out-of-Bounds Affecting torvalds/linux package, versions [5.8-rc1,5.17-rc1)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.63% (70th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-2992936
  • published25 Aug 2022
  • disclosed25 Aug 2022
  • credittr3e of SecCoder Security Lab

Introduced: 25 Aug 2022

CVE-2021-4204  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 5.17-rc1 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-Bounds via the eBPF component due to improper input validation, allowing a local attacker with a special privilege to crash the system or leak internal information.

Mitigation:

set kernel.unprivileged_bpf_disabled to 1.

CVSS Base Scores

version 3.1