{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-50260", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-10-21T19:36:19.981Z", "datePublished": "2024-11-09T10:15:13.271Z", "dateUpdated": "2024-11-19T01:21:04.197Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-19T01:21:04.197Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsock_map: fix a NULL pointer dereference in sock_map_link_update_prog()\n\nThe following race condition could trigger a NULL pointer dereference:\n\nsock_map_link_detach():\t\tsock_map_link_update_prog():\n mutex_lock(&sockmap_mutex);\n ...\n sockmap_link->map = NULL;\n mutex_unlock(&sockmap_mutex);\n \t\t\t\t mutex_lock(&sockmap_mutex);\n\t\t\t\t ...\n\t\t\t\t sock_map_prog_link_lookup(sockmap_link->map);\n\t\t\t\t mutex_unlock(&sockmap_mutex);\n <continue>\n\nFix it by adding a NULL pointer check. In this specific case, it makes\nno sense to update a link which is being released."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/core/sock_map.c"], "versions": [{"version": "699c23f02c65", "lessThan": "9afe35fdda16", "status": "affected", "versionType": "git"}, {"version": "699c23f02c65", "lessThan": "740be3b9a6d7", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/core/sock_map.c"], "versions": [{"version": "6.10", "status": "affected"}, {"version": "0", "lessThan": "6.10", "status": "unaffected", "versionType": "semver"}, {"version": "6.11.7", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/9afe35fdda16e09d5bd3c49a68ba8c680dd678bd"}, {"url": "https://git.kernel.org/stable/c/740be3b9a6d73336f8c7d540842d0831dc7a808b"}], "title": "sock_map: fix a NULL pointer dereference in sock_map_link_update_prog()", "x_generator": {"engine": "bippy-8e903de6a542"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "FFF78B38-3E68-45EF-A942-449C644E7C34", "versionEndExcluding": "6.11.7", "versionStartIncluding": "6.10", "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}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc4:*:*:*:*:*:*", "matchCriteriaId": "E0F717D8-3014-4F84-8086-0124B2111379", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc5:*:*:*:*:*:*", "matchCriteriaId": "24DBE6C7-2AAE-4818-AED2-E131F153D2FA", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsock_map: fix a NULL pointer dereference in sock_map_link_update_prog()\n\nThe following race condition could trigger a NULL pointer dereference:\n\nsock_map_link_detach():\t\tsock_map_link_update_prog():\n mutex_lock(&sockmap_mutex);\n ...\n sockmap_link->map = NULL;\n mutex_unlock(&sockmap_mutex);\n \t\t\t\t mutex_lock(&sockmap_mutex);\n\t\t\t\t ...\n\t\t\t\t sock_map_prog_link_lookup(sockmap_link->map);\n\t\t\t\t mutex_unlock(&sockmap_mutex);\n <continue>\n\nFix it by adding a NULL pointer check. In this specific case, it makes\nno sense to update a link which is being released."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: sock_map: corrige una desreferencia de puntero NULL en sock_map_link_update_prog() La siguiente condici\u00f3n de ejecuci\u00f3n podr\u00eda desencadenar una desreferencia de puntero NULL: sock_map_link_detach(): sock_map_link_update_prog(): mutex_lock(&amp;sockmap_mutex); ... sockmap_link-&gt;map = NULL; mutex_unlock(&amp;sockmap_mutex); mutex_lock(&amp;sockmap_mutex); ... sock_map_prog_link_lookup(sockmap_link-&gt;map); mutex_unlock(&amp;sockmap_mutex); Solucione el problema a\u00f1adiendo una comprobaci\u00f3n de puntero NULL. En este caso espec\u00edfico, no tiene sentido actualizar un enlace que se est\u00e1 publicando."}], "id": "CVE-2024-50260", "lastModified": "2024-11-13T18:47:43.830", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-11-09T11:15:11.550", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/740be3b9a6d73336f8c7d540842d0831dc7a808b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9afe35fdda16e09d5bd3c49a68ba8c680dd678bd"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}