CVE-2024-35916: dma-buf: Fix NULL pointer dereference in sanitycheck()

Published May 19, 2024
·
Updated

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

dma-buf: Fix NULL pointer dereference in sanitycheck()

If due to a memory allocation failure mockchain() returns NULL, it is passed to dmafenceenableswsignaling() resulting in NULL pointer dereference there.

Call dmafenceenableswsignaling() only if mockchain() succeeds.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Affected Software

5 affected componentsFixes available
Linux Linux kernel>=6.1<6.1.85
Linux Linux kernel>=6.2<6.6.26
Linux Linux kernel>=6.7<6.8.5
Linux Linux kernel=6.9-rc1
debian/linux
5.10.223-15.10.234-16.1.129-16.1.135-16.12.22-16.12.25-1

Event History

May 19, 2024
CVE Published
via MITRE·08:35 AM
Data Sourced
via MITRE·08:35 AM
Description
Jul 15, 2024
Data Sourced
via Launchpad·07:48 PM
Description
Dec 6, 2024
Data Sourced
via Ubuntu·08:19 PM
RemedyDescriptionSeverityAffected Software
Apr 23, 2025
Data Sourced
via Debian·12:22 AM
DescriptionAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2024-35916?

CVE-2024-35916 is classified as a medium severity vulnerability due to the potential for a NULL pointer dereference.

2

How do I fix CVE-2024-35916?

To mitigate CVE-2024-35916, ensure you upgrade your Linux kernel to one of the patched versions such as 5.10.223-1, 5.10.226-1, 6.1.123-1, 6.1.119-1, 6.12.10-1, or 6.12.11-1.

3

What versions of Linux are affected by CVE-2024-35916?

CVE-2024-35916 affects specific versions of the Linux kernel prior to the fixes, specifically versions before 5.10.223-1, 5.10.226-1, 6.1.123-1, 6.1.119-1, 6.12.10-1, and 6.12.11-1.

4

Is CVE-2024-35916 a remote exploitation vulnerability?

CVE-2024-35916 does not appear to be a remote exploitation vulnerability as it is related to a local NULL pointer dereference issue.

5

What component of the Linux kernel is affected by CVE-2024-35916?

CVE-2024-35916 specifically affects the dma-buf component of the Linux kernel.

Contact

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