Medium 5.5Published Feb 14, 2026

CVE-2026-23135wifi: ath12k: fix dma_free_coherent() pointer

Updated under an hour ago (Oct 27, 2026, 9:30 PM ET)

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Exploited in the last 30 days

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.

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: May 11, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from d889913205cf7ebda905b1e62c5867ed4e39f6c2 before 36e0bc5e8b282564906fca636c4ebc99814de4e7; from d889913205cf7ebda905b1e62c5867ed4e39f6c2 before 24585a13c41ea7253ee59aac74441fb570f5824a; from d889913205cf7ebda905b1e62c5867ed4e39f6c2 before 4846b32be324f4dd3653f38a3f69c049543d52ae; from d889913205cf7ebda905b1e62c5867ed4e39f6c2 before bb97131fbf9b708dd9616ac2bdc793ad102b5c48	CNA record
linux linux_kernel linux:linux_kernel	from 6.3 before 6.6.122; from 6.7 before 6.12.68; from 6.13 before 6.18.8; 6.19; 6.19; 6.19; 6.19; 6.19; and 1 more ranges	NVD

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.