High 7.8Published Jul 24, 2026

CVE-2026-64221spi: ti-qspi: fix use-after-free after DMA setup failure

Updated under an hour ago (Oct 26, 2026, 6:20 PM ET)

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: spi: ti-qspi: fix use-after-free after DMA setup failure The driver falls back to PIO mode if DMA setup fails during probe. Make sure to clear the DMA channel pointer also if buffer allocation fails to avoid passing a pointer to the released channel to the DMA engine (or trying to free the channel a second time on late probe errors or driver unbind). This issue was flagged by Sashiko when reviewing a devres allocation conversion patch.

CVSS: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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: Aug 5, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from c687c46e9e4527c4b4d82bc3cca58c1b08bcfb83 before 9c6f306a8140962c7284197db54b96fdb5f468d6; from c687c46e9e4527c4b4d82bc3cca58c1b08bcfb83 before 3bbbe7ae3fdada0df4157c1ffe989f92dfa8dcd6; from c687c46e9e4527c4b4d82bc3cca58c1b08bcfb83 before d6f422b122922d1abee907d673bcc990e5f3672d; from c687c46e9e4527c4b4d82bc3cca58c1b08bcfb83 before f2dc841d7dc9063fe9b47ced869b1271e55052ae; from c687c46e9e4527c4b4d82bc3cca58c1b08bcfb83 before 1cd927002120678bd5d23c760246639caa53040e; from c687c46e9e4527c4b4d82bc3cca58c1b08bcfb83 before d7a076fb596c7b408ed6df74793a597990a6d860; from c687c46e9e4527c4b4d82bc3cca58c1b08bcfb83 before 178b9b570c0f75fa7e691490520328b20d19138e; from c687c46e9e4527c4b4d82bc3cca58c1b08bcfb83 before ea6ec3343e05f7937a53eb6d7617b3abdb4abc19	CNA record
linux linux_kernel linux:linux_kernel	from 4.12 before 5.10.258; from 5.11 before 5.15.209; from 5.16 before 6.1.175; from 6.2 before 6.6.142; from 6.7 before 6.12.92; from 6.13 before 6.18.34; from 6.19 before 7.0.11; 7.1; and 3 more ranges	NVD

References

References

https://git.kernel.org/stable/c/9c6f306a8140962c7284197db54b96fdb5f468d6	patch
https://git.kernel.org/stable/c/3bbbe7ae3fdada0df4157c1ffe989f92dfa8dcd6	patch
https://git.kernel.org/stable/c/d6f422b122922d1abee907d673bcc990e5f3672d	patch
https://git.kernel.org/stable/c/f2dc841d7dc9063fe9b47ced869b1271e55052ae	patch
https://git.kernel.org/stable/c/1cd927002120678bd5d23c760246639caa53040e	patch
https://git.kernel.org/stable/c/d7a076fb596c7b408ed6df74793a597990a6d860	patch
https://git.kernel.org/stable/c/178b9b570c0f75fa7e691490520328b20d19138e	patch
https://git.kernel.org/stable/c/ea6ec3343e05f7937a53eb6d7617b3abdb4abc19	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.