CVE-2024-35786 Information

Description

In the Linux kernel the following vulnerability has been resolved:

drm/nouveau: fix stale locked mutex in nouveau_gem_ioctl_pushbuf

If VM_BIND is enabled on the client the legacy submission ioctl can’t be used however if a client tries to do so regardless it will return an error. In this case the clients mutex remained unlocked leading to a deadlock inside nouveau_drm_postclose or any other nouveau ioctl call.

Reference

https://git.kernel.org/stable/c/c288a61a48ddb77ec097e11ab81b81027cd4e197 https://git.kernel.org/stable/c/b466416bdd6ecbde15ce987226ea633a0268fbb1 https://git.kernel.org/stable/c/daf8739c3322a762ce84f240f50e0c39181a41ab