{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-50152", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-10-21T19:36:19.959Z", "datePublished": "2024-11-07T09:31:28.733Z", "dateUpdated": "2024-11-07T09:31:28.733Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-07T09:31:28.733Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix possible double free in smb2_set_ea()\n\nClang static checker(scan-build) warning\uff1a\nfs/smb/client/smb2ops.c:1304:2: Attempt to free released memory.\n 1304 | kfree(ea);\n | ^~~~~~~~~\n\nThere is a double free in such case:\n'ea is initialized to NULL' -> 'first successful memory allocation for\nea' -> 'something failed, goto sea_exit' -> 'first memory release for ea'\n-> 'goto replay_again' -> 'second goto sea_exit before allocate memory\nfor ea' -> 'second memory release for ea resulted in double free'.\n\nRe-initialie 'ea' to NULL near to the replay_again label, it can fix this\ndouble free problem."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/smb/client/smb2ops.c"], "versions": [{"version": "433042a91f93", "lessThan": "b1813c220b76", "status": "affected", "versionType": "git"}, {"version": "4f1fffa23769", "lessThan": "c9f758ecf256", "status": "affected", "versionType": "git"}, {"version": "4f1fffa23769", "lessThan": "19ebc1e6cab3", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/smb/client/smb2ops.c"], "versions": [{"version": "6.8", "status": "affected"}, {"version": "0", "lessThan": "6.8", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.59", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.11.6", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12-rc4", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/b1813c220b76f60b1727984794377c4aa849d4c1"}, {"url": "https://git.kernel.org/stable/c/c9f758ecf2562dfdd4adf12c22921b5de8366123"}, {"url": "https://git.kernel.org/stable/c/19ebc1e6cab334a8193398d4152deb76019b5d34"}], "title": "smb: client: fix possible double free in smb2_set_ea()", "x_generator": {"engine": "bippy-9e1c9544281a"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "15752D93-7E64-45C3-AA2D-6A544F5E615F", "versionEndExcluding": "6.6.59", "versionStartIncluding": "6.6.32", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "2CAA29A6-36B4-4C90-A862-A816F65153DB", "versionEndExcluding": "6.11.6", "versionStartIncluding": "6.8", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*", "matchCriteriaId": "7F361E1D-580F-4A2D-A509-7615F73167A1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*", "matchCriteriaId": "925478D0-3E3D-4E6F-ACD5-09F28D5DF82C", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*", "matchCriteriaId": "3C95E234-D335-4B6C-96BF-E2CEBD8654ED", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix possible double free in smb2_set_ea()\n\nClang static checker(scan-build) warning?\nfs/smb/client/smb2ops.c:1304:2: Attempt to free released memory.\n 1304 | kfree(ea);\n | ^~~~~~~~~\n\nThere is a double free in such case:\n'ea is initialized to NULL' -> 'first successful memory allocation for\nea' -> 'something failed, goto sea_exit' -> 'first memory release for ea'\n-> 'goto replay_again' -> 'second goto sea_exit before allocate memory\nfor ea' -> 'second memory release for ea resulted in double free'.\n\nRe-initialie 'ea' to NULL near to the replay_again label, it can fix this\ndouble free problem."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: smb: cliente: se corrige una posible doble liberaci\u00f3n en smb2_set_ea() Advertencia del comprobador est\u00e1tico de Clang (scan-build): fs/smb/client/smb2ops.c:1304:2: Intento de liberar memoria liberada. 1304 | kfree(ea); | ^~~~~~~~~ Hay una doble liberaci\u00f3n en tal caso: 'ea se inicializa a NULL' -> 'primera asignaci\u00f3n de memoria exitosa para ea' -> 'algo fall\u00f3, goto sea_exit' -> 'primera liberaci\u00f3n de memoria para ea' -> 'goto replay_again' -> 'segundo goto sea_exit antes de asignar memoria para ea' -> 'la segunda liberaci\u00f3n de memoria para ea result\u00f3 en una doble liberaci\u00f3n'. Reinicialice 'ea' a NULL cerca de la etiqueta replay_again, puede solucionar este problema de doble liberaci\u00f3n."}], "id": "CVE-2024-50152", "lastModified": "2024-11-13T15:15:56.840", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-11-07T10:15:06.850", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/19ebc1e6cab334a8193398d4152deb76019b5d34"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b1813c220b76f60b1727984794377c4aa849d4c1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c9f758ecf2562dfdd4adf12c22921b5de8366123"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-415"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}