Unchecked Return Value Affecting libperf package, versions <0:5.14.0-503.11.1.el9_5


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (15th percentile)

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  • Snyk IDSNYK-RHEL9-LIBPERF-15812928
  • published30 Mar 2026
  • disclosed9 Dec 2025

Introduced: 9 Dec 2025

CVE-2022-50653  (opens in a new tab)
CWE-252  (opens in a new tab)

How to fix?

Upgrade RHEL:9 libperf to version 0:5.14.0-503.11.1.el9_5 or higher.
This issue was patched in RHSA-2024:9315.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libperf package and not the libperf 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:

mmc: atmel-mci: fix return value check of mmc_add_host()

mmc_add_host() may return error, if we ignore its return value, it will lead two issues:

  1. The memory that allocated in mmc_alloc_host() is leaked.
  2. In the remove() path, mmc_remove_host() will be called to delete device, but it's not added yet, it will lead a kernel crash because of null-ptr-deref in device_del().

So fix this by checking the return value and calling mmc_free_host() in the error path.

CVSS Base Scores

version 3.1