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.
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | 5.0 | 5.10.241 |
| linux / linux_kernel | 5.11 | 5.15.192 |
| linux / linux_kernel | 5.16 | 6.1.140 |
| linux / linux_kernel | 6.2 | 6.6.92 |
| linux / linux_kernel | 6.7 | 6.12.30 |
| linux / linux_kernel | 6.13 | 6.14.8 |
| linux / linux_kernel | 6.15-rc1 | 6.15-rc1.x |
| linux / linux_kernel | 6.15-rc2 | 6.15-rc2.x |
| linux / linux_kernel | 6.15-rc3 | 6.15-rc3.x |
| linux / linux_kernel | 6.15-rc4 | 6.15-rc4.x |
| linux / linux_kernel | 6.15-rc5 | 6.15-rc5.x |
| linux / linux_kernel | 6.15-rc6 | 6.15-rc6.x |
| debian / debian_linux | 11.0 | 11.0.x |
- https://git.kernel.org/stable/c/08680c4dadc6e736c75bc2409d833f03f9003c51
- https://git.kernel.org/stable/c/3becc659f9cb76b481ad1fb71f54d5c8d6332d3f
- https://git.kernel.org/stable/c/72c7d62583ebce7baeb61acce6057c361f73be4a
- https://git.kernel.org/stable/c/90eb79c4ed98a4e24a62ccf61c199ab0f680fa8f
- https://git.kernel.org/stable/c/c9d2b9a80d06a58f37e0dc8c827075639b443927
- https://git.kernel.org/stable/c/d0b7f11dd68b593bd970e5735be00e8d89bace30
- https://git.kernel.org/stable/c/fe1bebd0edb22e3536cbc920ec713331d1367ad4
- https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
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