CVE-2026-64168
spi: sprd: fix error pointer deref after DMA setup failure
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
In the Linux kernel, the following vulnerability has been resolved: spi: sprd: fix error pointer deref after DMA setup failure The driver falls back to PIO mode if DMA setup fails during probe. Make sure to check the dma.enabled flag before trying to release the DMA channels also on late probe errors to avoid dereferencing an error pointer (or attempting to release a channel a second time). This issue was flagged by Sashiko when reviewing a devres allocation conversion patch.
Timeline
- CVE published
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
5.1
References 8
git.kernel.org
- stable/c/be74e276111f3c23b8e040c8c5e308f67a573add
- stable/c/a8f233fb0c7be29b97cd249f64120bf35ce72805
- stable/c/0cdea166c1a07c200caf9d0b722224fca43b23ae
- stable/c/450c319dd04d0eeff4184889768f7ada826a2e35
- stable/c/b6f1acf4e57ccf708cdc0cb70f5bb5b65162963b
- stable/c/be409d2bbe9ca7da7b05cc7dde7499bc481f0766
- stable/c/c33b4496e95d04722055446c0a31213639438536
- stable/c/3d67fffb74267772d461c02c67f1eff893ad547d