{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-50285", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-10-21T19:36:19.984Z", "datePublished": "2024-11-19T01:30:28.603Z", "dateUpdated": "2024-12-19T09:37:19.038Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T09:37:19.038Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: check outstanding simultaneous SMB operations\n\nIf Client send simultaneous SMB operations to ksmbd, It exhausts too much\nmemory through the \"ksmbd_work_cache\u201d. It will cause OOM issue.\nksmbd has a credit mechanism but it can't handle this problem. This patch\nadd the check if it exceeds max credits to prevent this problem by assuming\nthat one smb request consumes at least one credit."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/smb/server/connection.c", "fs/smb/server/connection.h", "fs/smb/server/server.c", "fs/smb/server/smb_common.c", "fs/smb/server/smb_common.h"], "versions": [{"version": "0626e6641f6b467447c81dd7678a69c66f7746cf", "lessThan": "1f993777275cbd8f74765c4f9d9285cb907c9be5", "status": "affected", "versionType": "git"}, {"version": "0626e6641f6b467447c81dd7678a69c66f7746cf", "lessThan": "e257ac6fe138623cf59fca8898abdf659dbc8356", "status": "affected", "versionType": "git"}, {"version": "0626e6641f6b467447c81dd7678a69c66f7746cf", "lessThan": "0a77d947f599b1f39065015bec99390d0c0022ee", "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/server/connection.c", "fs/smb/server/connection.h", "fs/smb/server/server.c", "fs/smb/server/smb_common.c", "fs/smb/server/smb_common.h"], "versions": [{"version": "5.15", "status": "affected"}, {"version": "0", "lessThan": "5.15", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.61", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.11.8", "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/1f993777275cbd8f74765c4f9d9285cb907c9be5"}, {"url": "https://git.kernel.org/stable/c/e257ac6fe138623cf59fca8898abdf659dbc8356"}, {"url": "https://git.kernel.org/stable/c/0a77d947f599b1f39065015bec99390d0c0022ee"}], "title": "ksmbd: check outstanding simultaneous SMB operations", "x_generator": {"engine": "bippy-5f407fcff5a0"}}}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "21D07F56-30DD-4B01-9F57-EA81F06E6075", "versionEndExcluding": "6.6.61", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0BD000F7-3DAD-4DD3-8906-98EA1EC67E95", "versionEndExcluding": "6.11.8", "versionStartIncluding": "6.7", "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}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc6:*:*:*:*:*:*", "matchCriteriaId": "24B88717-53F5-42AA-9B72-14C707639E3F", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: check outstanding simultaneous SMB operations\n\nIf Client send simultaneous SMB operations to ksmbd, It exhausts too much\nmemory through the \"ksmbd_work_cache\u201d. It will cause OOM issue.\nksmbd has a credit mechanism but it can't handle this problem. This patch\nadd the check if it exceeds max credits to prevent this problem by assuming\nthat one smb request consumes at least one credit."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ksmbd: comprobar operaciones SMB simult\u00e1neas pendientes Si el cliente env\u00eda operaciones SMB simult\u00e1neas a ksmbd, agota demasiada memoria a trav\u00e9s de \"ksmbd_work_cache\". Esto provocar\u00e1 un problema de OOM. ksmbd tiene un mecanismo de cr\u00e9dito, pero no puede solucionar este problema. Este parche agrega la comprobaci\u00f3n si excede los cr\u00e9ditos m\u00e1ximos para evitar este problema al suponer que una solicitud SMB consume al menos un cr\u00e9dito."}], "id": "CVE-2024-50285", "lastModified": "2024-11-27T15:31:58.063", "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": "2024-11-19T02:16:30.787", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0a77d947f599b1f39065015bec99390d0c0022ee"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1f993777275cbd8f74765c4f9d9285cb907c9be5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e257ac6fe138623cf59fca8898abdf659dbc8356"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: ksmbd: check outstanding simultaneous SMB operations", "id": "2327172", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2327172"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-770", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nksmbd: check outstanding simultaneous SMB operations\nIf Client send simultaneous SMB operations to ksmbd, It exhausts too much\nmemory through the \"ksmbd_work_cache\u201d. It will cause OOM issue.\nksmbd has a credit mechanism but it can't handle this problem. This patch\nadd the check if it exceeds max credits to prevent this problem by assuming\nthat one smb request consumes at least one credit."], "name": "CVE-2024-50285", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-11-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-50285\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-50285\nhttps://lore.kernel.org/linux-cve-announce/2024111946-CVE-2024-50285-6013@gregkh/T"], "threat_severity": "Low"}