CVE-2024-27038 Affecting kernel-modules-partner package, versions *


Severity

Recommended
low

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (15th percentile)

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  • Snyk IDSNYK-RHEL9-KERNELMODULESPARTNER-6764080
  • published2 May 2024
  • disclosed1 May 2024

Introduced: 1 May 2024

CVE-2024-27038  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:9 kernel-modules-partner.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-modules-partner package and not the kernel-modules-partner 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:

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