CVE-2026-23362

{"id": "CVE-2026-23362", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "7595de7bc56e0e52b74e56c90f7e247bf626d628", "lessThan": "0904037e713f787d1376e1d349c3bdf6c3105881", "versionType": "git"}, {"status": "affected", "version": "fbd8fdc2b218e979cfe422b139b8f74c12419d1f", "lessThan": "c85b96eaf766d8f066b1139a17a51efa2f6627ef", "versionType": "git"}, {"status": "affected", "version": "2a437b86ac5a9893c902f30ef66815bf13587bf6", "lessThan": "800f26f11ae37b17f58e0001f28a47dd75c26557", "versionType": "git"}, {"status": "affected", "version": "76c84c3728178b2d38d5604e399dfe8b0752645e", "lessThan": "70e951afad4c025261fe3c952d2b07237e320a01", "versionType": "git"}, {"status": "affected", "version": "cc55dd28c20a6611e30596019b3b2f636819a4c0", "lessThan": "8bcf2d847adb82b2c617456f6da17ac5e6c75285", "versionType": "git"}, {"status": "affected", "version": "c2aba69d0c36a496ab4f2e81e9c2b271f2693fd7", "lessThan": "8215ba7bc99e84e66fd6938874ec4330a9d96518", "versionType": "git"}, {"status": "affected", "version": "c2aba69d0c36a496ab4f2e81e9c2b271f2693fd7", "lessThan": "f0c349b2c21b220af5ba19f29b885e222958d796", "versionType": "git"}, {"status": "affected", "version": "c2aba69d0c36a496ab4f2e81e9c2b271f2693fd7", "lessThan": "c35636e91e392e1540949bbc67932167cb48bc3a", "versionType": "git"}, {"status": "affected", "version": "8f1c022541bf5a923c8d6fa483112c15250f30a4", "versionType": "git"}, {"status": "affected", "version": "c4e8a172501e677ebd8ea9d9161d97dc4df56fbd", "versionType": "git"}, {"status": "affected", "version": "5.10.238", "lessThan": "5.10.253", "versionType": "semver"}, {"status": "affected", "version": "5.15.185", "lessThan": "5.15.203", "versionType": "semver"}, {"status": "affected", "version": "6.1.141", "lessThan": "6.1.167", "versionType": "semver"}, {"status": "affected", "version": "6.6.93", "lessThan": "6.6.130", "versionType": "semver"}, {"status": "affected", "version": "6.12.31", "lessThan": "6.12.77", "versionType": "semver"}, {"status": "affected", "version": "5.4.294", "lessThan": "5.5", "versionType": "semver"}, {"status": "affected", "version": "6.14.9", "lessThan": "6.15", "versionType": "semver"}], "programFiles": ["net/can/bcm.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.15"}, {"status": "unaffected", "version": "0", "lessThan": "6.15", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.253", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.203", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.167", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.130", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.77", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.17", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "6.19.7", "versionType": "semver", "lessThanOrEqual": "6.19.*"}, {"status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/can/bcm.c"], "defaultStatus": "affected"}]}], "published": "2026-03-25T11:16:35.220", "references": [{"url": "https://git.kernel.org/stable/c/0904037e713f787d1376e1d349c3bdf6c3105881", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/70e951afad4c025261fe3c952d2b07237e320a01", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/800f26f11ae37b17f58e0001f28a47dd75c26557", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/8215ba7bc99e84e66fd6938874ec4330a9d96518", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/8bcf2d847adb82b2c617456f6da17ac5e6c75285", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c35636e91e392e1540949bbc67932167cb48bc3a", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c85b96eaf766d8f066b1139a17a51efa2f6627ef", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f0c349b2c21b220af5ba19f29b885e222958d796", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-667"}]}], "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."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ncan: bcm: corregir el bloqueo para las actualizaciones en tiempo de ejecuci\u00f3n de bcm_op\n\nEl commit c2aba69d0c36 ('can: bcm: a\u00f1adir bloqueo para las actualizaciones en tiempo de ejecuci\u00f3n de bcm_op') a\u00f1adi\u00f3 un bloqueo para algunas variables que pueden ser modificadas en tiempo de ejecuci\u00f3n al actualizar el bcm_op de env\u00edo con un nuevo comando TX_SETUP en bcm_tx_setup().\n\nNormalmente, el RX_SETUP solo maneja y filtra el tr\u00e1fico entrante con una excepci\u00f3n: Cuando la bandera RX_RTR_FRAME est\u00e1 establecida, se env\u00eda una trama CAN predefinida cuando se recibe una trama RTR espec\u00edfica. Por lo tanto, el bcm_op de rx usa bcm_can_tx() que usa el bcm_tx_lock que solo fue inicializado en bcm_tx_setup(). A\u00f1adir el spin_lock_init() faltante al asignar el bcm_op en bcm_rx_setup() para manejar el caso RTR correctamente."}], "lastModified": "2026-06-17T10:21:25.897", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FBD5FA06-25ED-4FE0-8604-5BDB21C9E729", "versionEndExcluding": "5.5", "versionStartIncluding": "5.4.294"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6A912012-AE04-49B5-94AE-E2993987B0A0", "versionEndExcluding": "5.10.253", "versionStartIncluding": "5.10.238"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F6ED5CCA-6E0F-40E1-AF6E-3A57BA54098B", "versionEndExcluding": "5.15.203", "versionStartIncluding": "5.15.185"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EDD1D8B2-20FE-40AF-A5EA-5169157150FB", "versionEndExcluding": "6.1.167", "versionStartIncluding": "6.1.141"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "17AE9DB4-4F5D-4FE8-918B-4F6A140B0F5F", "versionEndExcluding": "6.6.130", "versionStartIncluding": "6.6.93"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "74174A81-0BA7-4DEF-A10F-237324F0939A", "versionEndExcluding": "6.12.77", "versionStartIncluding": "6.12.31"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2932EEA2-2EDB-4FE6-9BF4-C1F90FF22950", "versionEndExcluding": "6.15", "versionStartIncluding": "6.14.9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D191BA48-F88E-41E8-9D62-4614C423FFA2", "versionEndExcluding": "6.18.17", "versionStartIncluding": "6.15.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "69245D10-0B71-485E-80C3-A64F077004D3", "versionEndExcluding": "6.19.7", "versionStartIncluding": "6.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.15:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A1ECC65A-EE37-4479-8E99-4BB68A22A31F"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F253B622-8837-4245-BCE5-A7BF8FC76A16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4AE85AD8-4641-4E7C-A2F4-305E2CD9EE64"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F666C8D8-6538-46D4-B318-87610DE64C34"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "02259FDA-961B-47BC-AE7F-93D7EC6E90C2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "58A9FEFF-C040-420D-8F0A-BFDAAA1DF258"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1D2315C0-D46F-4F85-9754-F9E5E11374A6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc7:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "512EE3A8-A590-4501-9A94-5D4B268D6138"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}