CVE-2026-43396

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

drm/xe/sync: Fix user fence leak on alloc failure

When dma_fence_chain_alloc() fails, properly release the user fence
reference to prevent a memory leak.

(cherry picked from commit a5d5634cde48a9fcd68c8504aa07f89f175074a0)

More information : https://git.kernel.org/stable/c/05edc78eb4699e8e000a62aaa8dace50a17e19e3