CVE-2026-31661
Medium
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: brcmsmac: Fix dma_free_coherent() size dma_alloc_consistent() may change the size to align it. The new size is saved in alloced. Change the free size to match the allocation size.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedApr 24, 2026
First seenApr 24, 2026
How to fix
Update
- linux linux_kernel5.10.253, 5.15.203, 6.1.169, 6.6.135, 6.12.82, 6.18.23, 6.19.13 or later
Patches
- git.kernel.org/stable/c/01f1330d3d1bee07e0c42d40cc48b7be8b6dad84
- git.kernel.org/stable/c/0f87777b74bcce29b966ec42d9aa8f9edd9b1667
- git.kernel.org/stable/c/12cd7632757a54ce586e36040210b1a738a0fc53
- git.kernel.org/stable/c/3c204a0fd079fa7a867151a47d830ad1c2db5177
- git.kernel.org/stable/c/4bf41c2731a0549e21f66180ff780b1e036639ab
- git.kernel.org/stable/c/77263f053963dea9f3962505ac0c768853d7dc59
- git.kernel.org/stable/c/b27fa888e4a426a3bcf6f6ab24701d888d9bf5aa
- git.kernel.org/stable/c/f449676bab54fea1440775c8c915dadb323fe015
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 3.2.1 ≤ v < 5.10.253, 5.11 ≤ v < 5.15.203, 5.16 ≤ v < 6.1.169, 6.2 ≤ v < 6.6.135, 6.7 ≤ v < 6.12.82, 6.13 ≤ v < 6.18.23, 6.19 ≤ v < 6.19.13, 3.2, 7.0 | 5.10.253, 5.15.203, 6.1.169, 6.6.135, 6.12.82, 6.18.23, 6.19.13 |
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