Access of Uninitialized Pointer Affecting libperf-devel package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

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  • Snyk IDSNYK-RHEL9-LIBPERFDEVEL-16137141
  • published23 Apr 2026
  • disclosed22 Apr 2026

Introduced: 22 Apr 2026

NewCVE-2026-31442  (opens in a new tab)
CWE-824  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:9 libperf-devel.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libperf-devel package and not the libperf-devel package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

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

dmaengine: idxd: Fix possible invalid memory access after FLR

In the case that the first Function Level Reset (FLR) concludes correctly, but in the second FLR the scratch area for the saved configuration cannot be allocated, it's possible for a invalid memory access to happen.

Always set the deallocated scratch area to NULL after FLR completes.

CVSS Base Scores

version 3.1