Incorrect Conversion between Numeric Types Affecting ocfs2-kmp-default package, versions <5.3.18-150300.59.90.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-SLES153-OCFS2KMPDEFAULT-2990038
  • published24 Aug 2022
  • disclosed23 Aug 2022

Introduced: 23 Aug 2022

CVE-2022-2639  (opens in a new tab)
CWE-681  (opens in a new tab)

How to fix?

Upgrade SLES:15.3 ocfs2-kmp-default to version 5.3.18-150300.59.90.1 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:15.3 relevant fixed versions and status.

An integer coercion error was found in the openvswitch kernel module. Given a sufficiently large number of actions, while copying and reserving memory for a new action of a new flow, the reserve_sfa_size() function does not return -EMSGSIZE as expected, potentially leading to an out-of-bounds write access. This flaw allows a local user to crash or potentially escalate their privileges on the system.

CVSS Scores

version 3.1