Linux Kernel up to 6.17.10 drm stack_depot_init null pointer dereference

Summaryinfo

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 6.17.10. The impacted element is the function stack_depot_init of the component drm. The manipulation leads to null pointer dereference. This vulnerability is documented as CVE-2025-68326. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.17.10. It has been rated as critical. This issue affects the function stack_depot_init of the component drm. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: drm/xe/guc: Fix stack_depot usage Add missing stack_depot_init() call when CONFIG_DRM_XE_DEBUG_GUC is enabled to fix the following call stack: [] BUG: kernel NULL pointer dereference, address: 0000000000000000 [] Workqueue: drm_sched_run_job_work [gpu_sched] [] RIP: 0010:stack_depot_save_flags+0x172/0x870 [] Call Trace: [] <TASK> [] fast_req_track+0x58/0xb0 [xe] (cherry picked from commit 64fdf496a6929a0a194387d2bb5efaf5da2b542f)

It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2025-68326 since 12/16/2025. The exploitation is known to be difficult. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 279564 (Linux Distros Unpatched Vulnerability : CVE-2025-68326), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.17.11 eliminates this vulnerability. Applying the patch 1966838d1c82149cbf4a652322d26a6e5aae9c4e/0e234632e39bd21dd28ffc9ba3ae8eec4deb949c 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.

The vulnerability is also documented in the databases at Tenable (279564) and CERT Bund (WID-SEC-2025-2914). Be aware that VulDB is the high quality source for vulnerability data.

Affected

• Open Source Linux Kernel

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 6.17.0
• 6.17.1
• 6.17.2
• 6.17.3
• 6.17.4
• 6.17.5
• 6.17.6
• 6.17.7
• 6.17.8
• 6.17.9
• 6.17.10

License

• open-source

Website

• Vendor: https://www.kernel.org/

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Be aware that VulDB is the high quality source for vulnerability data.

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