{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23475","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-01-13T15:37:46.022Z","datePublished":"2026-04-03T15:15:54.211Z","dateUpdated":"2026-05-11T22:07:44.110Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:07:44.110Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nspi: fix statistics allocation\n\nThe controller per-cpu statistics is not allocated until after the\ncontroller has been registered with driver core, which leaves a window\nwhere accessing the sysfs attributes can trigger a NULL-pointer\ndereference.\n\nFix this by moving the statistics allocation to controller allocation\nwhile tying its lifetime to that of the controller (rather than using\nimplicit devres)."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/spi/spi.c"],"versions":[{"version":"6598b91b5ac32bc756d7c3000a31f775d4ead1c4","lessThan":"80c5bd0dca1cc5526ae0f4b273ccd163ed4caa4e","status":"affected","versionType":"git"},{"version":"6598b91b5ac32bc756d7c3000a31f775d4ead1c4","lessThan":"f13100b1f5f111989f0750540a795fdef47492af","status":"affected","versionType":"git"},{"version":"6598b91b5ac32bc756d7c3000a31f775d4ead1c4","lessThan":"df30056c78e8bead02d4be020199cabdbec0fef1","status":"affected","versionType":"git"},{"version":"6598b91b5ac32bc756d7c3000a31f775d4ead1c4","lessThan":"378b295f67102eef78cf2c28105f60ae1dab5cc1","status":"affected","versionType":"git"},{"version":"6598b91b5ac32bc756d7c3000a31f775d4ead1c4","lessThan":"118ce777d39f03cac99231196f820e4f998613a8","status":"affected","versionType":"git"},{"version":"6598b91b5ac32bc756d7c3000a31f775d4ead1c4","lessThan":"dee0774bbb2abb172e9069ce5ffef579b12b3ae9","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/spi/spi.c"],"versions":[{"version":"6.0","status":"affected"},{"version":"0","lessThan":"6.0","status":"unaffected","versionType":"semver"},{"version":"6.1.167","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.130","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.78","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.20","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.10","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.1.167"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.6.130"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.12.78"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.18.20"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.19.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/80c5bd0dca1cc5526ae0f4b273ccd163ed4caa4e"},{"url":"https://git.kernel.org/stable/c/f13100b1f5f111989f0750540a795fdef47492af"},{"url":"https://git.kernel.org/stable/c/df30056c78e8bead02d4be020199cabdbec0fef1"},{"url":"https://git.kernel.org/stable/c/378b295f67102eef78cf2c28105f60ae1dab5cc1"},{"url":"https://git.kernel.org/stable/c/118ce777d39f03cac99231196f820e4f998613a8"},{"url":"https://git.kernel.org/stable/c/dee0774bbb2abb172e9069ce5ffef579b12b3ae9"}],"title":"spi: fix statistics allocation","x_generator":{"engine":"bippy-1.2.0"}}}}