CVE-2026-31661
MEDIUM severity · CVSS 5.5
5.5CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/01f1330d3d1bee07e0c42d40cc48b7be8b6dad84 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/01f1330d3d1bee07e0c42d40cc48b7be8b6dad84Patch
- https://git.kernel.org/stable/c/0f87777b74bcce29b966ec42d9aa8f9edd9b1667Patch
- https://git.kernel.org/stable/c/12cd7632757a54ce586e36040210b1a738a0fc53Patch
- https://git.kernel.org/stable/c/3c204a0fd079fa7a867151a47d830ad1c2db5177Patch
- https://git.kernel.org/stable/c/4bf41c2731a0549e21f66180ff780b1e036639abPatch
- https://git.kernel.org/stable/c/77263f053963dea9f3962505ac0c768853d7dc59Patch
- https://git.kernel.org/stable/c/b27fa888e4a426a3bcf6f6ab24701d888d9bf5aaPatch
- https://git.kernel.org/stable/c/f449676bab54fea1440775c8c915dadb323fe015Patch