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 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.

CVSS 3.1

7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.1% chance of exploitation in the next 30 days; higher than 1% of CVEs (scores of 2026-10-25)

CWE

CWE-416

Published

2026-04-03

Modified

2026-10-19

Record from

the NVD, synced 2026-10-21

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/0e23f50086da7d0b183dfeac26021acfcdee086b
• https://git.kernel.org/stable/c/23b51bad2eb8787aa74324cfccefb258515ae5ba
• https://git.kernel.org/stable/c/6bbd385b30c7fb6c7ee0669e9ada91490938c051
• https://git.kernel.org/stable/c/80f3e8cd2b4ad355b2ad2024cf423f6d183404f7
• https://git.kernel.org/stable/c/8634e05b08ead636e926022f4a98416e13440df9

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