CVE-2025-38095

5.5 medium SSVC exploitation: none Modified

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.

Fix

Patch, vendor advisory and mitigation references on NVD 7

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

2026-10-15 22:35First seenCVSS 5.5 · linux, debianNVD modified 2026-10-15 22:18

Affected (CPE criteria) 8

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.15:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.15:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.15:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.15:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.15:rc6:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

References 9

https://git.kernel.org/stable/c/08680c4dadc6e736c75bc2409d833f03f9003c51 Patch
https://git.kernel.org/stable/c/3becc659f9cb76b481ad1fb71f54d5c8d6332d3f Patch
https://git.kernel.org/stable/c/72c7d62583ebce7baeb61acce6057c361f73be4a Patch
https://git.kernel.org/stable/c/90eb79c4ed98a4e24a62ccf61c199ab0f680fa8f Patch
https://git.kernel.org/stable/c/c9d2b9a80d06a58f37e0dc8c827075639b443927 Patch
https://git.kernel.org/stable/c/d0b7f11dd68b593bd970e5735be00e8d89bace30 Patch
https://git.kernel.org/stable/c/fe1bebd0edb22e3536cbc920ec713331d1367ad4 Patch
https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html Mailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html Mailing List, Third Party Advisory