Memory Leak Affecting libperf-devel package, versions *


Severity

Recommended
0.0
low
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.22% (13th percentile)

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  • Snyk IDSNYK-RHEL9-LIBPERFDEVEL-12967130
  • published19 Sept 2025
  • disclosed24 May 2024

Introduced: 24 May 2024

CVE-2021-47539  (opens in a new tab)
CWE-401  (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:

rxrpc: Fix rxrpc_peer leak in rxrpc_look_up_bundle()

Need to call rxrpc_put_peer() for bundle candidate before kfree() as it holds a ref to rxrpc_peer.

[DH: v2: Changed to abstract out the bundle freeing code into a function]

CVSS Base Scores

version 3.1