CVE-2026-64221spi: ti-qspi: fix use-after-free after DMA setup failure
- 7.8HighCVSS base score
- 0.13%Exploitation in 30 daysEPSS · top 98% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By Linux
- 5 days later
· 5 days later
Published
- 12 days later
· 12 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.13% · top 98% of all CVEs (13 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
- affected c687c46e9e4527c4b4d82bc3cca58c1b08bcfb83 – < 9c6f306a8140962c7284197db54b96fdb5f468d6
- affected c687c46e9e4527c4b4d82bc3cca58c1b08bcfb83 – < 3bbbe7ae3fdada0df4157c1ffe989f92dfa8dcd6
- affected c687c46e9e4527c4b4d82bc3cca58c1b08bcfb83 – < d6f422b122922d1abee907d673bcc990e5f3672d
- affected c687c46e9e4527c4b4d82bc3cca58c1b08bcfb83 – < f2dc841d7dc9063fe9b47ced869b1271e55052ae
- affected c687c46e9e4527c4b4d82bc3cca58c1b08bcfb83 – < 1cd927002120678bd5d23c760246639caa53040e
- affected c687c46e9e4527c4b4d82bc3cca58c1b08bcfb83 – < d7a076fb596c7b408ed6df74793a597990a6d860
- affected c687c46e9e4527c4b4d82bc3cca58c1b08bcfb83 – < 178b9b570c0f75fa7e691490520328b20d19138e
- affected c687c46e9e4527c4b4d82bc3cca58c1b08bcfb83 – < ea6ec3343e05f7937a53eb6d7617b3abdb4abc19
- affected 4.12
- unaffected < 4.12
- unaffected 5.10.258 – ≤ 5.10.*
- unaffected 5.15.209 – ≤ 5.15.*
- unaffected 6.1.175 – ≤ 6.1.*
- unaffected 6.6.142 – ≤ 6.6.*
- unaffected 6.12.92 – ≤ 6.12.*
- unaffected 6.18.34 – ≤ 6.18.*
- unaffected 7.0.11 – ≤ 7.0.*
- unaffected 7.1 – ≤ *
References
References8
- https://git.kernel.org/stable/c/9c6f306a8140962c7284197db54b96fdb5f468d6 (opens in a new tab)
- https://git.kernel.org/stable/c/3bbbe7ae3fdada0df4157c1ffe989f92dfa8dcd6 (opens in a new tab)
- https://git.kernel.org/stable/c/d6f422b122922d1abee907d673bcc990e5f3672d (opens in a new tab)
- https://git.kernel.org/stable/c/f2dc841d7dc9063fe9b47ced869b1271e55052ae (opens in a new tab)
- https://git.kernel.org/stable/c/1cd927002120678bd5d23c760246639caa53040e (opens in a new tab)
- https://git.kernel.org/stable/c/d7a076fb596c7b408ed6df74793a597990a6d860 (opens in a new tab)
- https://git.kernel.org/stable/c/178b9b570c0f75fa7e691490520328b20d19138e (opens in a new tab)
- https://git.kernel.org/stable/c/ea6ec3343e05f7937a53eb6d7617b3abdb4abc19 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-48629 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-64221)Record last updated .