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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).

PUBLISHED Reserved 2026-01-13 | Published 2026-04-03 | Updated 2026-05-11 | Assigner Linux

Product status

Default status
unaffected

6598b91b5ac32bc756d7c3000a31f775d4ead1c4 (git) before 80c5bd0dca1cc5526ae0f4b273ccd163ed4caa4e
affected

6598b91b5ac32bc756d7c3000a31f775d4ead1c4 (git) before f13100b1f5f111989f0750540a795fdef47492af
affected

6598b91b5ac32bc756d7c3000a31f775d4ead1c4 (git) before df30056c78e8bead02d4be020199cabdbec0fef1
affected

6598b91b5ac32bc756d7c3000a31f775d4ead1c4 (git) before 378b295f67102eef78cf2c28105f60ae1dab5cc1
affected

6598b91b5ac32bc756d7c3000a31f775d4ead1c4 (git) before 118ce777d39f03cac99231196f820e4f998613a8
affected

6598b91b5ac32bc756d7c3000a31f775d4ead1c4 (git) before dee0774bbb2abb172e9069ce5ffef579b12b3ae9
affected

Default status
affected

6.0
affected

Any version before 6.0
unaffected

6.1.167 (semver)
unaffected

6.6.130 (semver)
unaffected

6.12.78 (semver)
unaffected

6.18.20 (semver)
unaffected

6.19.10 (semver)
unaffected

7.0 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/80c5bd0dca1cc5526ae0f4b273ccd163ed4caa4e

git.kernel.org/...c/f13100b1f5f111989f0750540a795fdef47492af

git.kernel.org/...c/df30056c78e8bead02d4be020199cabdbec0fef1

git.kernel.org/...c/378b295f67102eef78cf2c28105f60ae1dab5cc1

git.kernel.org/...c/118ce777d39f03cac99231196f820e4f998613a8

git.kernel.org/...c/dee0774bbb2abb172e9069ce5ffef579b12b3ae9

cve.org (CVE-2026-23475)

nvd.nist.gov (CVE-2026-23475)

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