Linux Kernel up to 6.18.31/7.0.8 media vsp1_drm_cleanup null pointer dereference

Summaryinfo

A vulnerability has been found in Linux Kernel up to 6.18.31/7.0.8 and classified as critical. This affects the function vsp1_drm_cleanup of the component media. Performing a manipulation results in null pointer dereference. This vulnerability is reported as CVE-2026-46310. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.18.31/7.0.8. It has been classified as critical. This affects the function vsp1_drm_cleanup of the component media. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: media: renesas: vsp1: Fix NULL pointer deref on module unload When unloading the module on gen 4, we hit a NULL pointer dereference. This is caused by the cleanup code calling vsp1_drm_cleanup() where it should be calling vsp1_vspx_cleanup(). Fix this by checking the IP version and calling the drm or vspx function accordingly, the same way as the init code does.

It is possible to read the advisory at git.kernel.org. This vulnerability is uniquely identified as CVE-2026-46310 since 05/13/2026. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 6.18.32, 7.0.9 or 7.1-rc1 eliminates this vulnerability. Applying the patch bfb2081ba00afbbd15a5ed1ed1acdc3edeea5a98/c4bb1515b26663e5230603892e67f2cc7df9f0ca/58b1e9664d8f74d55d8411cc7a7b275a76a6f24f is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 6.18.0
• 6.18.1
• 6.18.2
• 6.18.3
• 6.18.4
• 6.18.5
• 6.18.6
• 6.18.7
• 6.18.8
• 6.18.9
• 6.18.10
• 6.18.11
• 6.18.12
• 6.18.13
• 6.18.14
• 6.18.15
• 6.18.16
• 6.18.17
• 6.18.18
• 6.18.19
• 6.18.20
• 6.18.21
• 6.18.22
• 6.18.23
• 6.18.24
• 6.18.25
• 6.18.26
• 6.18.27
• 6.18.28
• 6.18.29
• 6.18.30
• 6.18.31
• 7.0.0
• 7.0.1
• 7.0.2
• 7.0.3
• 7.0.4
• 7.0.5
• 7.0.6
• 7.0.7
• 7.0.8

License

• open-source

Website

• Vendor: https://www.kernel.org/

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