CVE-2024-35831 Affecting perf package, versions <0:5.14.0-503.11.1.el9_5


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.05% (18th percentile)

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  • Snyk IDSNYK-ORACLE9-PERF-8385593
  • published20 Nov 2024
  • disclosed17 May 2024

Introduced: 17 May 2024

CVE-2024-35831  (opens in a new tab)

How to fix?

Upgrade Oracle:9 perf to version 0:5.14.0-503.11.1.el9_5 or higher.
This issue was patched in ELSA-2024-9315.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by Oracle. See How to fix? for Oracle:9 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