High severity7.8NVD Advisory· Published Apr 3, 2026· Updated May 20, 2026
CVE-2026-31389
CVE-2026-31389
Description
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.
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Affected products
1Patches
Vulnerability mechanics
References
6- git.kernel.org/stable/c/0e23f50086da7d0b183dfeac26021acfcdee086bnvdPatch
- git.kernel.org/stable/c/23b51bad2eb8787aa74324cfccefb258515ae5banvdPatch
- git.kernel.org/stable/c/6bbd385b30c7fb6c7ee0669e9ada91490938c051nvdPatch
- git.kernel.org/stable/c/80f3e8cd2b4ad355b2ad2024cf423f6d183404f7nvdPatch
- git.kernel.org/stable/c/8634e05b08ead636e926022f4a98416e13440df9nvdPatch
- git.kernel.org/stable/c/afe27c1f43aa57530011f419be6ddf71306565d2nvdPatch
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