CVE-2026-31389
In the Linux kernel, the following vulnerability has been resolved: spi: fix use-after-free on controller registration failure Make sure to deregister from driver core…
Published Apr 3, 2026 · updated Oct 15, 2026 · linux linux kernel
In the Linux kernel, the following vulnerability has been resolved: spi: fix use-after-free on controller registration failure Make sure to deregister from driver core also in the unlikely event that per-cpu statistics allocation fails during controller registration to avoid use-after-free (of driver resources) and unclocked register accesses.
Code
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Timeline
Detection, updates, and resolution for this record.
Apr 3, 2026 · NIST NVD
Detected
In the Linux kernel, the following vulnerability has been resolved: spi: fix use-after-free on controller registration failure Make sure to deregister from driver core also in the unlikely event that per-cpu statistics allocation fails during controller registration to avoid use-after-free (of driver resources) and unclocked register accesses.
Oct 15, 2026 · NIST NVD
Updated
In the Linux kernel, the following vulnerability has been resolved: spi: fix use-after-free on controller registration failure Make sure to deregister from driver core also in the unlikely event that per-cpu statistics allocation fails during controller registration to avoid use-after-free (of driver resources) and unclocked register accesses.
Affected
- cpe linux/linux kernelversion unspecified
- cpe linux/linux kernel7.0
Sources
- CVE.orgVulnerability recordCVE-2026-31389
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-31389
30-day exploitation probability 0.2%
first.org - NIST NVDVulnerability recordCVE-2026-31389
In the Linux kernel, the following vulnerability has been resolved: spi: fix use-after-free on controller registration failure Make sure to deregister from driver core also in the unlikely event that per-cpu statistics allocation fails during controller registration to avoid us
nvd.nist.gov