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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.

PUBLISHED Reserved 2026-03-09 | Published 2026-04-03 | Updated 2026-05-11 | Assigner Linux




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

Product status

Default status
unaffected

6598b91b5ac32bc756d7c3000a31f775d4ead1c4 (git) before 0e23f50086da7d0b183dfeac26021acfcdee086b
affected

6598b91b5ac32bc756d7c3000a31f775d4ead1c4 (git) before 6bbd385b30c7fb6c7ee0669e9ada91490938c051
affected

6598b91b5ac32bc756d7c3000a31f775d4ead1c4 (git) before afe27c1f43aa57530011f419be6ddf71306565d2
affected

6598b91b5ac32bc756d7c3000a31f775d4ead1c4 (git) before 80f3e8cd2b4ad355b2ad2024cf423f6d183404f7
affected

6598b91b5ac32bc756d7c3000a31f775d4ead1c4 (git) before 23b51bad2eb8787aa74324cfccefb258515ae5ba
affected

6598b91b5ac32bc756d7c3000a31f775d4ead1c4 (git) before 8634e05b08ead636e926022f4a98416e13440df9
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/0e23f50086da7d0b183dfeac26021acfcdee086b

git.kernel.org/...c/6bbd385b30c7fb6c7ee0669e9ada91490938c051

git.kernel.org/...c/afe27c1f43aa57530011f419be6ddf71306565d2

git.kernel.org/...c/80f3e8cd2b4ad355b2ad2024cf423f6d183404f7

git.kernel.org/...c/23b51bad2eb8787aa74324cfccefb258515ae5ba

git.kernel.org/...c/8634e05b08ead636e926022f4a98416e13440df9

cve.org (CVE-2026-31389)

nvd.nist.gov (CVE-2026-31389)

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