CVE-2026-43396: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

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)

Affected products

• Linux Linux Kernel: from 6.18.1, before 6.18.20 (fixed in 6.18.20); from 6.19, before 6.19.9 (fixed in 6.19.9); version 6.18 only; version 7.0 only

Published 2026-05-08. Last modified 2026-06-17.