CVE-2025-38095: Debian Linux

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: dma-buf: insert memory barrier before updating num_fences smp_store_mb() inserts memory barrier after storing operation. It is different with what the comment is originally aiming so Null pointer dereference can be happened if memory update is reordered.

Affected products

• Debian Debian Linux: version 11.0 only
• Linux Linux Kernel: from 5.0, before 5.10.241 (fixed in 5.10.241); from 5.11, before 5.15.192 (fixed in 5.15.192); from 5.16, before 6.1.140 (fixed in 6.1.140); from 6.2, before 6.6.92 (fixed in 6.6.92); from 6.7, before 6.12.30 (fixed in 6.12.30); from 6.13, before 6.14.8 (fixed in 6.14.8); …

Published 2025-07-03. Last modified 2026-07-30.