{ "id": "CVE-2024-46742", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-09-18T08:15:03.480", "lastModified": "2024-09-20T18:32:34.303", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb/server: fix potential null-ptr-deref of lease_ctx_info in smb2_open()\n\nnull-ptr-deref will occur when (req_op_level == SMB2_OPLOCK_LEVEL_LEASE)\nand parse_lease_state() return NULL.\n\nFix this by check if 'lease_ctx_info' is NULL.\n\nAdditionally, remove the redundant parentheses in\nparse_durable_handle_context()." }, { "lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: smb/server: se corrige la posible eliminaci\u00f3n de referencia nula de lease_ctx_info en smb2_open(). La eliminaci\u00f3n de referencia nula de lease_ctx_info ocurrir\u00e1 cuando (req_op_level == SMB2_OPLOCK_LEVEL_LEASE) y parse_lease_state() devuelvan NULL. Corrija esto verificando si 'lease_ctx_info' es NULL. Adem\u00e1s, elimine los par\u00e9ntesis redundantes en parse_durable_handle_context()." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-476" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.6.51", "matchCriteriaId": "D4954ED0-8229-4D57-B4B3-CB5154734977" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.10.10", "matchCriteriaId": "ACDEE48C-137A-4731-90D0-A675865E1BED" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*", "matchCriteriaId": "8B3CE743-2126-47A3-8B7C-822B502CF119" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*", "matchCriteriaId": "4DEB27E7-30AA-45CC-8934-B89263EF3551" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc3:*:*:*:*:*:*", "matchCriteriaId": "E0005AEF-856E-47EB-BFE4-90C46899394D" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc4:*:*:*:*:*:*", "matchCriteriaId": "39889A68-6D34-47A6-82FC-CD0BF23D6754" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/07f384c5be1f8633b13f0a22616e227570450bc6", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/3b692794b81f2ecad69a4adbba687f3836824ada", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/4e8771a3666c8f216eefd6bd2fd50121c6c437db", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] } ] }