CVE-2026-64221
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- https://git.kernel.org/stable/c/178b9b570c0f75fa7e691490520328b20d19138e
- https://git.kernel.org/stable/c/1cd927002120678bd5d23c760246639caa53040e
- https://git.kernel.org/stable/c/3bbbe7ae3fdada0df4157c1ffe989f92dfa8dcd6
- https://git.kernel.org/stable/c/9c6f306a8140962c7284197db54b96fdb5f468d6
- https://git.kernel.org/stable/c/d6f422b122922d1abee907d673bcc990e5f3672d
- https://git.kernel.org/stable/c/d7a076fb596c7b408ed6df74793a597990a6d860
- https://git.kernel.org/stable/c/ea6ec3343e05f7937a53eb6d7617b3abdb4abc19
- https://git.kernel.org/stable/c/f2dc841d7dc9063fe9b47ced869b1271e55052ae
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.