CVE-2024-35831 Affecting cluster-md-kmp-default package, versions <6.4.0-150600.23.14.2


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.05% (18th percentile)

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  • Snyk IDSNYK-SLES156-CLUSTERMDKMPDEFAULT-7551543
  • published23 Jul 2024
  • disclosed22 Jul 2024

Introduced: 22 Jul 2024

CVE-2024-35831  (opens in a new tab)

How to fix?

Upgrade SLES:15.6 cluster-md-kmp-default to version 6.4.0-150600.23.14.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream cluster-md-kmp-default package and not the cluster-md-kmp-default package as distributed by SLES. See How to fix? for SLES:15.6 relevant fixed versions and status.

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

io_uring: Fix release of pinned pages when __io_uaddr_map fails

Looking at the error path of __io_uaddr_map, if we fail after pinning the pages for any reasons, ret will be set to -EINVAL and the error handler won't properly release the pinned pages.

I didn't manage to trigger it without forcing a failure, but it can happen in real life when memory is heavily fragmented.

CVSS Scores

version 3.1