{"id":"CVE-2026-90404","state":"PUBLISHED","title":"platform/chrome: cros_ec_debugfs: Unregister panic notifier","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/chrome: cros_ec_debugfs: Unregister panic notifier\n\ncros_ec_debugfs_probe() registers notifier_panic with the EC panic\nnotifier chain. The remove path tears down debugfs and the console log,\nbut leaves the notifier registered. A later panic notification can call\nback into the removed instance and queue work that accesses released\ndata.\n\nUnregister the panic notifier before tearing down the debugfs and\nconsole log state.\n\nThis issue was found by a static analysis tool.","publishedAt":"2026-09-17T16:09:33.472Z","updatedAt":"2026-10-19T09:03:08.821Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d90fa2c64d59f5f151beeef5dbc599784b3391ca","status":"affected","lessThan":"56989e2a9c292ff7689603feed41d030301ca636","versionType":"git"},{"version":"d90fa2c64d59f5f151beeef5dbc599784b3391ca","status":"affected","lessThan":"a5d3128b06ccfc398c2e456fddebadce52310bd8","versionType":"git"},{"version":"d90fa2c64d59f5f151beeef5dbc599784b3391ca","status":"affected","lessThan":"e2cbe14361d7cb0b5abd66d87f3afa0e16efde9f","versionType":"git"},{"version":"d90fa2c64d59f5f151beeef5dbc599784b3391ca","status":"affected","lessThan":"05c1081ae4503e45b934b390350f942db3208892","versionType":"git"},{"version":"d90fa2c64d59f5f151beeef5dbc599784b3391ca","status":"affected","lessThan":"e5954d3031fb55dd31aa59bae477d63c68e941c0","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/chrome/cros_ec_debugfs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.3","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/chrome/cros_ec_debugfs.c"]}],"references":["https://git.kernel.org/stable/c/56989e2a9c292ff7689603feed41d030301ca636","https://git.kernel.org/stable/c/a5d3128b06ccfc398c2e456fddebadce52310bd8","https://git.kernel.org/stable/c/e2cbe14361d7cb0b5abd66d87f3afa0e16efde9f","https://git.kernel.org/stable/c/05c1081ae4503e45b934b390350f942db3208892","https://git.kernel.org/stable/c/e5954d3031fb55dd31aa59bae477d63c68e941c0"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/90xxx/CVE-2026-90404.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-90404","state":"PUBLISHED","datePublished":"2026-09-17T16:09:33.472Z","dateUpdated":"2026-10-19T09:03:08.821Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.811Z"},"containers":{"cna":{"title":"platform/chrome: cros_ec_debugfs: Unregister panic notifier","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/chrome: cros_ec_debugfs: Unregister panic notifier\n\ncros_ec_debugfs_probe() registers notifier_panic with the EC panic\nnotifier chain. The remove path tears down debugfs and the console log,\nbut leaves the notifier registered. A later panic notification can call\nback into the removed instance and queue work that accesses released\ndata.\n\nUnregister the panic notifier before tearing down the debugfs and\nconsole log state.\n\nThis issue was found by a static analysis tool."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d90fa2c64d59f5f151beeef5dbc599784b3391ca","status":"affected","lessThan":"56989e2a9c292ff7689603feed41d030301ca636","versionType":"git"},{"version":"d90fa2c64d59f5f151beeef5dbc599784b3391ca","status":"affected","lessThan":"a5d3128b06ccfc398c2e456fddebadce52310bd8","versionType":"git"},{"version":"d90fa2c64d59f5f151beeef5dbc599784b3391ca","status":"affected","lessThan":"e2cbe14361d7cb0b5abd66d87f3afa0e16efde9f","versionType":"git"},{"version":"d90fa2c64d59f5f151beeef5dbc599784b3391ca","status":"affected","lessThan":"05c1081ae4503e45b934b390350f942db3208892","versionType":"git"},{"version":"d90fa2c64d59f5f151beeef5dbc599784b3391ca","status":"affected","lessThan":"e5954d3031fb55dd31aa59bae477d63c68e941c0","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/chrome/cros_ec_debugfs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.3","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/chrome/cros_ec_debugfs.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/56989e2a9c292ff7689603feed41d030301ca636"},{"url":"https://git.kernel.org/stable/c/a5d3128b06ccfc398c2e456fddebadce52310bd8"},{"url":"https://git.kernel.org/stable/c/e2cbe14361d7cb0b5abd66d87f3afa0e16efde9f"},{"url":"https://git.kernel.org/stable/c/05c1081ae4503e45b934b390350f942db3208892"},{"url":"https://git.kernel.org/stable/c/e5954d3031fb55dd31aa59bae477d63c68e941c0"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:03:08.821Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}