Out-of-bounds Write Affecting torvalds/linux package, versions [,6.3)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.03% (8th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-5488383
  • published28 Apr 2023
  • disclosed28 Apr 2023
  • creditUnknown

Introduced: 28 Apr 2023

CVE-2023-31436  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 6.3 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Write via the qfq_change_class method in net/sched/sch_qfq.c because lmax can exceed QFQ_MIN_LMAX.

References

CVSS Base Scores

version 3.1