{"api_version":"1","generated_at":"2026-04-19T01:11:33+00:00","cve":"CVE-2026-23357","urls":{"html":"https://cve.report/CVE-2026-23357","api":"https://cve.report/api/cve/CVE-2026-23357.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-23357","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-23357"},"summary":{"title":"can: mcp251x: fix deadlock in error path of mcp251x_open","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: mcp251x: fix deadlock in error path of mcp251x_open\n\nThe mcp251x_open() function call free_irq() in its error path with the\nmpc_lock mutex held. But if an interrupt already occurred the\ninterrupt handler will be waiting for the mpc_lock and free_irq() will\ndeadlock waiting for the handler to finish.\n\nThis issue is similar to the one fixed in commit 7dd9c26bd6cf (\"can:\nmcp251x: fix deadlock if an interrupt occurs during mcp251x_open\") but\nfor the error path.\n\nTo solve this issue move the call to free_irq() after the lock is\nreleased. Setting `priv->force_quit = 1` beforehand ensure that the IRQ\nhandler will exit right away once it acquired the lock.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-03-25 11:16:34","updated_at":"2026-04-18 09:16:20"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/256f0cff6e946c570392bda1d01a65e789a7afd0","name":"https://git.kernel.org/stable/c/256f0cff6e946c570392bda1d01a65e789a7afd0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ab3f894de216f4a62adc3b57e9191888cbf26885","name":"https://git.kernel.org/stable/c/ab3f894de216f4a62adc3b57e9191888cbf26885","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/416c18ecddafab0ed09be1e7b9d2f448f3d4db16","name":"https://git.kernel.org/stable/c/416c18ecddafab0ed09be1e7b9d2f448f3d4db16","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b73832292cd914e87a55e863ba4413a907e7db6b","name":"https://git.kernel.org/stable/c/b73832292cd914e87a55e863ba4413a907e7db6b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/38063cc435b69d56e76f947c10d336fcb2953508","name":"https://git.kernel.org/stable/c/38063cc435b69d56e76f947c10d336fcb2953508","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/739454057572cb0948658d1142f3fa2c6966465c","name":"https://git.kernel.org/stable/c/739454057572cb0948658d1142f3fa2c6966465c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d27f12c3f5e85efc479896af4a69eccb37f75e8e","name":"https://git.kernel.org/stable/c/d27f12c3f5e85efc479896af4a69eccb37f75e8e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e728f444c913a91d290d1824b4770780bbd6378e","name":"https://git.kernel.org/stable/c/e728f444c913a91d290d1824b4770780bbd6378e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-23357","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23357","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bf66f3736a945dd4e92d86427276c6eeab0a6c1d 739454057572cb0948658d1142f3fa2c6966465c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bf66f3736a945dd4e92d86427276c6eeab0a6c1d 416c18ecddafab0ed09be1e7b9d2f448f3d4db16 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bf66f3736a945dd4e92d86427276c6eeab0a6c1d 256f0cff6e946c570392bda1d01a65e789a7afd0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bf66f3736a945dd4e92d86427276c6eeab0a6c1d b73832292cd914e87a55e863ba4413a907e7db6b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.203 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.167 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.130 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.77 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.17 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.7 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"23357","cve":"CVE-2026-23357","epss":"0.000320000","percentile":"0.090980000","score_date":"2026-04-18","updated_at":"2026-04-19 00:10:43"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/can/spi/mcp251x.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"739454057572cb0948658d1142f3fa2c6966465c","status":"affected","version":"bf66f3736a945dd4e92d86427276c6eeab0a6c1d","versionType":"git"},{"lessThan":"416c18ecddafab0ed09be1e7b9d2f448f3d4db16","status":"affected","version":"bf66f3736a945dd4e92d86427276c6eeab0a6c1d","versionType":"git"},{"lessThan":"256f0cff6e946c570392bda1d01a65e789a7afd0","status":"affected","version":"bf66f3736a945dd4e92d86427276c6eeab0a6c1d","versionType":"git"},{"lessThan":"b73832292cd914e87a55e863ba4413a907e7db6b","status":"affected","version":"bf66f3736a945dd4e92d86427276c6eeab0a6c1d","versionType":"git"},{"lessThan":"38063cc435b69d56e76f947c10d336fcb2953508","status":"affected","version":"bf66f3736a945dd4e92d86427276c6eeab0a6c1d","versionType":"git"},{"lessThan":"d27f12c3f5e85efc479896af4a69eccb37f75e8e","status":"affected","version":"bf66f3736a945dd4e92d86427276c6eeab0a6c1d","versionType":"git"},{"lessThan":"e728f444c913a91d290d1824b4770780bbd6378e","status":"affected","version":"bf66f3736a945dd4e92d86427276c6eeab0a6c1d","versionType":"git"},{"lessThan":"ab3f894de216f4a62adc3b57e9191888cbf26885","status":"affected","version":"bf66f3736a945dd4e92d86427276c6eeab0a6c1d","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/can/spi/mcp251x.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.34"},{"lessThan":"2.6.34","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.253","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.167","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.130","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.77","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.17","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.253","versionStartIncluding":"2.6.34","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.203","versionStartIncluding":"2.6.34","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.167","versionStartIncluding":"2.6.34","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.130","versionStartIncluding":"2.6.34","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.77","versionStartIncluding":"2.6.34","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.17","versionStartIncluding":"2.6.34","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.7","versionStartIncluding":"2.6.34","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"2.6.34","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: mcp251x: fix deadlock in error path of mcp251x_open\n\nThe mcp251x_open() function call free_irq() in its error path with the\nmpc_lock mutex held. But if an interrupt already occurred the\ninterrupt handler will be waiting for the mpc_lock and free_irq() will\ndeadlock waiting for the handler to finish.\n\nThis issue is similar to the one fixed in commit 7dd9c26bd6cf (\"can:\nmcp251x: fix deadlock if an interrupt occurs during mcp251x_open\") but\nfor the error path.\n\nTo solve this issue move the call to free_irq() after the lock is\nreleased. Setting `priv->force_quit = 1` beforehand ensure that the IRQ\nhandler will exit right away once it acquired the lock."}],"providerMetadata":{"dateUpdated":"2026-04-18T08:58:09.426Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/739454057572cb0948658d1142f3fa2c6966465c"},{"url":"https://git.kernel.org/stable/c/416c18ecddafab0ed09be1e7b9d2f448f3d4db16"},{"url":"https://git.kernel.org/stable/c/256f0cff6e946c570392bda1d01a65e789a7afd0"},{"url":"https://git.kernel.org/stable/c/b73832292cd914e87a55e863ba4413a907e7db6b"},{"url":"https://git.kernel.org/stable/c/38063cc435b69d56e76f947c10d336fcb2953508"},{"url":"https://git.kernel.org/stable/c/d27f12c3f5e85efc479896af4a69eccb37f75e8e"},{"url":"https://git.kernel.org/stable/c/e728f444c913a91d290d1824b4770780bbd6378e"},{"url":"https://git.kernel.org/stable/c/ab3f894de216f4a62adc3b57e9191888cbf26885"}],"title":"can: mcp251x: fix deadlock in error path of mcp251x_open","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-23357","datePublished":"2026-03-25T10:27:41.299Z","dateReserved":"2026-01-13T15:37:46.000Z","dateUpdated":"2026-04-18T08:58:09.426Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-03-25 11:16:34","lastModifiedDate":"2026-04-18 09:16:20","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"23357","Ordinal":"1","Title":"can: mcp251x: fix deadlock in error path of mcp251x_open","CVE":"CVE-2026-23357","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"23357","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: mcp251x: fix deadlock in error path of mcp251x_open\n\nThe mcp251x_open() function call free_irq() in its error path with the\nmpc_lock mutex held. But if an interrupt already occurred the\ninterrupt handler will be waiting for the mpc_lock and free_irq() will\ndeadlock waiting for the handler to finish.\n\nThis issue is similar to the one fixed in commit 7dd9c26bd6cf (\"can:\nmcp251x: fix deadlock if an interrupt occurs during mcp251x_open\") but\nfor the error path.\n\nTo solve this issue move the call to free_irq() after the lock is\nreleased. Setting `priv->force_quit = 1` beforehand ensure that the IRQ\nhandler will exit right away once it acquired the lock.","Type":"Description","Title":"can: mcp251x: fix deadlock in error path of mcp251x_open"}]}}}