CVE-2025-38095
dma-buf: insert memory barrier before updating num_fences
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jul 3, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
a590d0fdbaa56f482ff515e1040b6d9b1b200d63 < 90eb79c4ed98a4e24a62ccf61c199ab0f680fa8f a590d0fdbaa56f482ff515e1040b6d9b1b200d63 < d0b7f11dd68b593bd970e5735be00e8d89bace30 a590d0fdbaa56f482ff515e1040b6d9b1b200d63 < 3becc659f9cb76b481ad1fb71f54d5c8d6332d3f a590d0fdbaa56f482ff515e1040b6d9b1b200d63 < c9d2b9a80d06a58f37e0dc8c827075639b443927 a590d0fdbaa56f482ff515e1040b6d9b1b200d63 < fe1bebd0edb22e3536cbc920ec713331d1367ad4 a590d0fdbaa56f482ff515e1040b6d9b1b200d63 < 08680c4dadc6e736c75bc2409d833f03f9003c51 a590d0fdbaa56f482ff515e1040b6d9b1b200d63 < 72c7d62583ebce7baeb61acce6057c361f73be4a
Linux / Linux
5.0
References
git.kernel.org: https://git.kernel.org/stable/c/90eb79c4ed98a4e24a62ccf61c199ab0f680fa8f git.kernel.org: https://git.kernel.org/stable/c/d0b7f11dd68b593bd970e5735be00e8d89bace30 git.kernel.org: https://git.kernel.org/stable/c/3becc659f9cb76b481ad1fb71f54d5c8d6332d3f git.kernel.org: https://git.kernel.org/stable/c/c9d2b9a80d06a58f37e0dc8c827075639b443927 git.kernel.org: https://git.kernel.org/stable/c/fe1bebd0edb22e3536cbc920ec713331d1367ad4 git.kernel.org: https://git.kernel.org/stable/c/08680c4dadc6e736c75bc2409d833f03f9003c51 git.kernel.org: https://git.kernel.org/stable/c/72c7d62583ebce7baeb61acce6057c361f73be4a lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html