Integer Overflow or Wraparound Affecting torvalds/linux package, versions [,5.14.9)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.02% (7th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Integer Overflow or Wraparound vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3006514
  • published26 Jan 2022
  • disclosed2 Oct 2021
  • creditUnknown

Introduced: 2 Oct 2021

CVE-2021-41864  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 5.14.9 or higher.

Overview

Affected versions of this package are vulnerable to Integer Overflow or Wraparound prealloc_elems_and_freelist in kernel/bpf/stackmap.c in the Linux kernel through 5.14.9 allows unprivileged users to trigger an eBPF multiplication integer overflow with a resultant out-of-bounds write.

CVSS Base Scores

version 3.1