CVE-2024-56696: ALSA: core: Fix possible NULL dereference caused by kunit_kzalloc()

Published Dec 28, 2024
·
Updated

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

ALSA: core: Fix possible NULL dereference caused by kunitkzalloc()

kunitkzalloc() may return a NULL pointer, dereferencing it without NULL check may lead to NULL dereference. Add NULL checks for all the kunitkzalloc() in soundkunit.c

Affected Software

3 affected componentsFixes available
Linux Linux kernel>=6.9<6.11.11
Linux Linux kernel>=6.12<6.12.2
debian/linux
5.10.223-15.10.234-16.1.129-16.1.135-16.12.22-16.12.25-1

Event History

Dec 28, 2024
CVE Published
via MITRE·09:46 AM
Data Sourced
via MITRE·09:46 AM
Description
Data Sourced
via NVD·10:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
Mar 28, 2025
Data Sourced
via Ubuntu·01:05 AM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2024-56696?

The severity of CVE-2024-56696 is currently assessed to be moderate due to the potential for a NULL dereference.

2

How do I fix CVE-2024-56696?

To fix CVE-2024-56696, ensure you update your Linux kernel to a version newer than 6.11.11 or 6.12.2 which include the necessary NULL checks.

3

What versions of the Linux kernel are affected by CVE-2024-56696?

CVE-2024-56696 affects the Linux kernel versions between 6.9 and 6.11.11 and from 6.12 to 6.12.2.

4

What is the main issue caused by CVE-2024-56696?

The main issue caused by CVE-2024-56696 is a possible NULL dereference when dereferencing a NULL pointer from kunit_kzalloc().

5

Is CVE-2024-56696 a remote attack vulnerability?

CVE-2024-56696 is not classified as a remote attack vulnerability, as it involves a local NULL dereference issue.

Contact

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