{"api_version":"1","generated_at":"2026-04-19T01:12:28+00:00","cve":"CVE-2026-23362","urls":{"html":"https://cve.report/CVE-2026-23362","api":"https://cve.report/api/cve/CVE-2026-23362.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-23362","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-23362"},"summary":{"title":"can: bcm: fix locking for bcm_op runtime updates","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: bcm: fix locking for bcm_op runtime updates\n\nCommit c2aba69d0c36 (\"can: bcm: add locking for bcm_op runtime updates\")\nadded a locking for some variables that can be modified at runtime when\nupdating the sending bcm_op with a new TX_SETUP command in bcm_tx_setup().\n\nUsually the RX_SETUP only handles and filters incoming traffic with one\nexception: When the RX_RTR_FRAME flag is set a predefined CAN frame is\nsent when a specific RTR frame is received. Therefore the rx bcm_op uses\nbcm_can_tx() which uses the bcm_tx_lock that was only initialized in\nbcm_tx_setup(). Add the missing spin_lock_init() when allocating the\nbcm_op in bcm_rx_setup() to handle the RTR case properly.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-03-25 11:16:35","updated_at":"2026-04-18 09:16:21"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/8215ba7bc99e84e66fd6938874ec4330a9d96518","name":"https://git.kernel.org/stable/c/8215ba7bc99e84e66fd6938874ec4330a9d96518","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/70e951afad4c025261fe3c952d2b07237e320a01","name":"https://git.kernel.org/stable/c/70e951afad4c025261fe3c952d2b07237e320a01","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/800f26f11ae37b17f58e0001f28a47dd75c26557","name":"https://git.kernel.org/stable/c/800f26f11ae37b17f58e0001f28a47dd75c26557","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c35636e91e392e1540949bbc67932167cb48bc3a","name":"https://git.kernel.org/stable/c/c35636e91e392e1540949bbc67932167cb48bc3a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0904037e713f787d1376e1d349c3bdf6c3105881","name":"https://git.kernel.org/stable/c/0904037e713f787d1376e1d349c3bdf6c3105881","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f0c349b2c21b220af5ba19f29b885e222958d796","name":"https://git.kernel.org/stable/c/f0c349b2c21b220af5ba19f29b885e222958d796","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c85b96eaf766d8f066b1139a17a51efa2f6627ef","name":"https://git.kernel.org/stable/c/c85b96eaf766d8f066b1139a17a51efa2f6627ef","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8bcf2d847adb82b2c617456f6da17ac5e6c75285","name":"https://git.kernel.org/stable/c/8bcf2d847adb82b2c617456f6da17ac5e6c75285","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-23362","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23362","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7595de7bc56e0e52b74e56c90f7e247bf626d628 0904037e713f787d1376e1d349c3bdf6c3105881 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fbd8fdc2b218e979cfe422b139b8f74c12419d1f c85b96eaf766d8f066b1139a17a51efa2f6627ef git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2a437b86ac5a9893c902f30ef66815bf13587bf6 800f26f11ae37b17f58e0001f28a47dd75c26557 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 76c84c3728178b2d38d5604e399dfe8b0752645e 70e951afad4c025261fe3c952d2b07237e320a01 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"23362","cve":"CVE-2026-23362","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":["net/can/bcm.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"0904037e713f787d1376e1d349c3bdf6c3105881","status":"affected","version":"7595de7bc56e0e52b74e56c90f7e247bf626d628","versionType":"git"},{"lessThan":"c85b96eaf766d8f066b1139a17a51efa2f6627ef","status":"affected","version":"fbd8fdc2b218e979cfe422b139b8f74c12419d1f","versionType":"git"},{"lessThan":"800f26f11ae37b17f58e0001f28a47dd75c26557","status":"affected","version":"2a437b86ac5a9893c902f30ef66815bf13587bf6","versionType":"git"},{"lessThan":"70e951afad4c025261fe3c952d2b07237e320a01","status":"affected","version":"76c84c3728178b2d38d5604e399dfe8b0752645e","versionType":"git"},{"lessThan":"8bcf2d847adb82b2c617456f6da17ac5e6c75285","status":"affected","version":"cc55dd28c20a6611e30596019b3b2f636819a4c0","versionType":"git"},{"lessThan":"8215ba7bc99e84e66fd6938874ec4330a9d96518","status":"affected","version":"c2aba69d0c36a496ab4f2e81e9c2b271f2693fd7","versionType":"git"},{"lessThan":"f0c349b2c21b220af5ba19f29b885e222958d796","status":"affected","version":"c2aba69d0c36a496ab4f2e81e9c2b271f2693fd7","versionType":"git"},{"lessThan":"c35636e91e392e1540949bbc67932167cb48bc3a","status":"affected","version":"c2aba69d0c36a496ab4f2e81e9c2b271f2693fd7","versionType":"git"},{"status":"affected","version":"8f1c022541bf5a923c8d6fa483112c15250f30a4","versionType":"git"},{"status":"affected","version":"c4e8a172501e677ebd8ea9d9161d97dc4df56fbd","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/can/bcm.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.15"},{"lessThan":"6.15","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":"5.10.238","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.203","versionStartIncluding":"5.15.185","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.167","versionStartIncluding":"6.1.141","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.130","versionStartIncluding":"6.6.93","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.77","versionStartIncluding":"6.12.31","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.17","versionStartIncluding":"6.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.7","versionStartIncluding":"6.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"6.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4.294","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14.9","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: bcm: fix locking for bcm_op runtime updates\n\nCommit c2aba69d0c36 (\"can: bcm: add locking for bcm_op runtime updates\")\nadded a locking for some variables that can be modified at runtime when\nupdating the sending bcm_op with a new TX_SETUP command in bcm_tx_setup().\n\nUsually the RX_SETUP only handles and filters incoming traffic with one\nexception: When the RX_RTR_FRAME flag is set a predefined CAN frame is\nsent when a specific RTR frame is received. Therefore the rx bcm_op uses\nbcm_can_tx() which uses the bcm_tx_lock that was only initialized in\nbcm_tx_setup(). Add the missing spin_lock_init() when allocating the\nbcm_op in bcm_rx_setup() to handle the RTR case properly."}],"providerMetadata":{"dateUpdated":"2026-04-18T08:58:12.167Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/0904037e713f787d1376e1d349c3bdf6c3105881"},{"url":"https://git.kernel.org/stable/c/c85b96eaf766d8f066b1139a17a51efa2f6627ef"},{"url":"https://git.kernel.org/stable/c/800f26f11ae37b17f58e0001f28a47dd75c26557"},{"url":"https://git.kernel.org/stable/c/70e951afad4c025261fe3c952d2b07237e320a01"},{"url":"https://git.kernel.org/stable/c/8bcf2d847adb82b2c617456f6da17ac5e6c75285"},{"url":"https://git.kernel.org/stable/c/8215ba7bc99e84e66fd6938874ec4330a9d96518"},{"url":"https://git.kernel.org/stable/c/f0c349b2c21b220af5ba19f29b885e222958d796"},{"url":"https://git.kernel.org/stable/c/c35636e91e392e1540949bbc67932167cb48bc3a"}],"title":"can: bcm: fix locking for bcm_op runtime updates","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-23362","datePublished":"2026-03-25T10:27:45.476Z","dateReserved":"2026-01-13T15:37:46.002Z","dateUpdated":"2026-04-18T08:58:12.167Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-03-25 11:16:35","lastModifiedDate":"2026-04-18 09:16:21","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"23362","Ordinal":"1","Title":"can: bcm: fix locking for bcm_op runtime updates","CVE":"CVE-2026-23362","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"23362","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: bcm: fix locking for bcm_op runtime updates\n\nCommit c2aba69d0c36 (\"can: bcm: add locking for bcm_op runtime updates\")\nadded a locking for some variables that can be modified at runtime when\nupdating the sending bcm_op with a new TX_SETUP command in bcm_tx_setup().\n\nUsually the RX_SETUP only handles and filters incoming traffic with one\nexception: When the RX_RTR_FRAME flag is set a predefined CAN frame is\nsent when a specific RTR frame is received. Therefore the rx bcm_op uses\nbcm_can_tx() which uses the bcm_tx_lock that was only initialized in\nbcm_tx_setup(). Add the missing spin_lock_init() when allocating the\nbcm_op in bcm_rx_setup() to handle the RTR case properly.","Type":"Description","Title":"can: bcm: fix locking for bcm_op runtime updates"}]}}}