CVE-2025-68314

Summary

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

drm/msm: make sure last_fence is always updated

Update last_fence in the vm-bind path instead of kernel managed path.

last_fence is used to wait for work to finish in vm_bind contexts but not used for kernel managed contexts.

This fixes a bug where last_fence is not waited on context close leading to faults as resources are freed while in use.

Patchwork: https://patchwork.freedesktop.org/patch/680080/

Affected Software

Weaknesses

References

• https://git.kernel.org/stable/c/8ee817ceafba266d9c6f3a09babd2ac7441d9a2b
• https://git.kernel.org/stable/c/86404a9e3013d814a772ac407573be5d3cd4ee0d

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