CVE-2024-27038 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
0.04% (15th percentile)

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  • Snyk IDSNYK-ORACLE9-PERF-8385506
  • published20 Nov 2024
  • disclosed1 May 2024

Introduced: 1 May 2024

CVE-2024-27038  (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:

clk: Fix clk_core_get NULL dereference

It is possible for clk_core_get to dereference a NULL in the following sequence:

clk_core_get() of_clk_get_hw_from_clkspec() __of_clk_get_hw_from_provider() __clk_get_hw()

__clk_get_hw() can return NULL which is dereferenced by clk_core_get() at hw->core.

Prior to commit dde4eff47c82 ("clk: Look for parents with clkdev based clk_lookups") the check IS_ERR_OR_NULL() was performed which would have caught the NULL.

Reading the description of this function it talks about returning NULL but that cannot be so at the moment.

Update the function to check for hw before dereferencing it and return NULL if hw is NULL.

CVSS Scores

version 3.1