Out-of-bounds Write Affecting torvalds/linux package, versions [,5.12)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.04% (11th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3005970
  • published26 Jan 2022
  • disclosed6 May 2021
  • creditUnknown

Introduced: 6 May 2021

CVE-2021-3501  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 5.12 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Write. A flaw was found in the Linux kernel in versions before 5.12. The value of internal.ndata, in the KVM API, is mapped to an array index, which can be updated by a user process at anytime which could lead to an out-of-bounds write. The highest threat from this vulnerability is to data integrity and system availability.

References

CVSS Base Scores

version 3.1