CVE-2025-38095

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.

• CWE-476

• https://git.kernel.org/stable/c/08680c4dadc6e736c75bc2409d833f03f9003c51Patch
• https://git.kernel.org/stable/c/3becc659f9cb76b481ad1fb71f54d5c8d6332d3fPatch
• https://git.kernel.org/stable/c/72c7d62583ebce7baeb61acce6057c361f73be4aPatch
• https://git.kernel.org/stable/c/90eb79c4ed98a4e24a62ccf61c199ab0f680fa8fPatch
• https://git.kernel.org/stable/c/c9d2b9a80d06a58f37e0dc8c827075639b443927Patch
• https://git.kernel.org/stable/c/d0b7f11dd68b593bd970e5735be00e8d89bace30Patch
• https://git.kernel.org/stable/c/fe1bebd0edb22e3536cbc920ec713331d1367ad4Patch
• https://lists.debian.org/debian-lts-announce/2025/08/msg00010.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlMailing List, Third Party Advisory

Published

Jul 3, 2025

Last Modified

Jul 30, 2026

Status

Modified

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