CVE-2026-23135

Medium

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix dma_free_coherent() pointer dma_alloc_coherent() allocates a DMA mapped buffer and stores the addresses in XXX_unaligned fields. Those should be reused when freeing the buffer rather than the aligned addresses.

SeverityMedium

CVSS5.5

Exploit probability4. percentile0.1%

Product

Linux Kernel

PublishedFeb 14, 2026

First seenFeb 14, 2026

How to fix

Update

linux linux_kernel6.6.122, 6.12.68, 6.18.8 or later

Patches

git.kernel.org/stable/c/24585a13c41ea7253ee59aac74441fb570f5824a
git.kernel.org/stable/c/36e0bc5e8b282564906fca636c4ebc99814de4e7
git.kernel.org/stable/c/4846b32be324f4dd3653f38a3f69c049543d52ae
git.kernel.org/stable/c/bb97131fbf9b708dd9616ac2bdc793ad102b5c48

Affected products

Product	Affected versions	Fixed in
linux linux_kernel	6.3 ≤ v < 6.6.122, 6.7 ≤ v < 6.12.68, 6.13 ≤ v < 6.18.8, 6.19	6.6.122, 6.12.68, 6.18.8

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