Medium 5.5Published Feb 14, 2026

CVE-2026-23133wifi: ath10k: fix dma_free_coherent() pointer

Updated under an hour ago (Oct 26, 2026, 8:50 PM ET)

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: wifi: ath10k: 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): CWE-416
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: Modified
Record last updated: Oct 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 2a1e1ad3fd37a632b61f50e73dafddb4b0fa57f1 before e2dda298ef809aa201ea7c0904c4d064f6c497cb; from 2a1e1ad3fd37a632b61f50e73dafddb4b0fa57f1 before fc8da65f9fe1bc6802f8240b342cfff4f5c7e841; from 2a1e1ad3fd37a632b61f50e73dafddb4b0fa57f1 before b0ad924332a96550a84b8c0ae5483e7042d65fa9; from 2a1e1ad3fd37a632b61f50e73dafddb4b0fa57f1 before 1928851334ecfd6e0d663121ab69ac639d4217a6; from 2a1e1ad3fd37a632b61f50e73dafddb4b0fa57f1 before 5d6fa4d2c9799c09389588da5118a72d97d87e92; from 2a1e1ad3fd37a632b61f50e73dafddb4b0fa57f1 before 07f363f305793baecad41816f73056252f3df61e; from 2a1e1ad3fd37a632b61f50e73dafddb4b0fa57f1 before 9282a1e171ad8d2205067e8ec3bbe4e3cef4f29f	CNA record
linux linux_kernel linux:linux_kernel	from 4.16 before 5.10.249; from 5.11 before 5.15.199; from 5.16 before 6.1.162; from 6.2 before 6.6.122; from 6.7 before 6.12.68; from 6.13 before 6.18.8; 6.19; 6.19; and 4 more ranges	NVD

References

References

https://git.kernel.org/stable/c/e2dda298ef809aa201ea7c0904c4d064f6c497cb	patch
https://git.kernel.org/stable/c/fc8da65f9fe1bc6802f8240b342cfff4f5c7e841	patch
https://git.kernel.org/stable/c/b0ad924332a96550a84b8c0ae5483e7042d65fa9	patch
https://git.kernel.org/stable/c/1928851334ecfd6e0d663121ab69ac639d4217a6	patch
https://git.kernel.org/stable/c/5d6fa4d2c9799c09389588da5118a72d97d87e92	patch
https://git.kernel.org/stable/c/07f363f305793baecad41816f73056252f3df61e	patch
https://git.kernel.org/stable/c/9282a1e171ad8d2205067e8ec3bbe4e3cef4f29f	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.