CVE-2026-31661

EUVD-2026-25554
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 3%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
3.2.1 ≤
𝑥
< 5.10.253
linuxlinux_kernel
5.11 ≤
𝑥
< 5.15.203
linuxlinux_kernel
5.16 ≤
𝑥
< 6.1.169
linuxlinux_kernel
6.2 ≤
𝑥
< 6.6.135
linuxlinux_kernel
6.7 ≤
𝑥
< 6.12.82
linuxlinux_kernel
6.13 ≤
𝑥
< 6.18.23
linuxlinux_kernel
6.19 ≤
𝑥
< 6.19.13
linuxlinux_kernel
3.2
linuxlinux_kernel
7.0:rc1
linuxlinux_kernel
7.0:rc2
linuxlinux_kernel
7.0:rc3
linuxlinux_kernel
7.0:rc4
linuxlinux_kernel
7.0:rc5
linuxlinux_kernel
7.0:rc6
linuxlinux_kernel
7.0:rc7
𝑥
= Vulnerable software versions
Azure Linux logo
Azure Linux Releases
Azure Package
Release
kernel
Azure Linux 3.0
0:6.6.137.1-1.azl3
fixed
Vulnerability Media Exposure
References
https://git.kernel.org/stable/c/01f1330d3d1bee07e0c42d40cc48b7be8b6dad84
https://git.kernel.org/stable/c/0f87777b74bcce29b966ec42d9aa8f9edd9b1667
https://git.kernel.org/stable/c/12cd7632757a54ce586e36040210b1a738a0fc53
https://git.kernel.org/stable/c/3c204a0fd079fa7a867151a47d830ad1c2db5177
https://git.kernel.org/stable/c/4bf41c2731a0549e21f66180ff780b1e036639ab
https://git.kernel.org/stable/c/77263f053963dea9f3962505ac0c768853d7dc59
https://git.kernel.org/stable/c/b27fa888e4a426a3bcf6f6ab24701d888d9bf5aa
https://git.kernel.org/stable/c/f449676bab54fea1440775c8c915dadb323fe015