CVE-2026-23475

medium

Description

In the Linux kernel, the following vulnerability has been resolved: spi: fix statistics allocation The controller per-cpu statistics is not allocated until after the controller has been registered with driver core, which leaves a window where accessing the sysfs attributes can trigger a NULL-pointer dereference. Fix this by moving the statistics allocation to controller allocation while tying its lifetime to that of the controller (rather than using implicit devres).

References

https://git.kernel.org/stable/c/f13100b1f5f111989f0750540a795fdef47492af

https://git.kernel.org/stable/c/df30056c78e8bead02d4be020199cabdbec0fef1

https://git.kernel.org/stable/c/dee0774bbb2abb172e9069ce5ffef579b12b3ae9

https://git.kernel.org/stable/c/80c5bd0dca1cc5526ae0f4b273ccd163ed4caa4e

https://git.kernel.org/stable/c/378b295f67102eef78cf2c28105f60ae1dab5cc1

https://git.kernel.org/stable/c/118ce777d39f03cac99231196f820e4f998613a8

Details

Source: Mitre, NVD

Published: 2026-04-03

Updated: 2026-04-03

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00024