Divide By Zero Affecting ocfs2-kmp-default package, versions <6.4.0-150700.53.6.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.03% (8th percentile)

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  • Snyk IDSNYK-SLES157-OCFS2KMPDEFAULT-10744702
  • published15 Jul 2025
  • disclosed14 Jul 2025

Introduced: 14 Jul 2025

NewCVE-2025-21898  (opens in a new tab)
CWE-369  (opens in a new tab)

How to fix?

Upgrade SLES:15.7 ocfs2-kmp-default to version 6.4.0-150700.53.6.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ocfs2-kmp-default package and not the ocfs2-kmp-default package as distributed by SLES. See How to fix? for SLES:15.7 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

ftrace: Avoid potential division by zero in function_stat_show()

Check whether denominator expression x * (x - 1) * 1000 mod {2^32, 2^64} produce zero and skip stddev computation in that case.

For now don't care about rec->counter * rec->counter overflow because rec->time * rec->time overflow will likely happen earlier.

CVSS Base Scores

version 3.1