{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-4130", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2023-08-03T08:12:08.227Z", "datePublished": "2025-08-16T13:27:58.227Z", "dateUpdated": "2025-08-16T13:27:58.227Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-08-16T13:27:58.227Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix wrong next length validation of ea buffer in smb2_set_ea()\n\nThere are multiple smb2_ea_info buffers in FILE_FULL_EA_INFORMATION request\nfrom client. ksmbd find next smb2_ea_info using ->NextEntryOffset of\ncurrent smb2_ea_info. ksmbd need to validate buffer length Before\naccessing the next ea. ksmbd should check buffer length using buf_len,\nnot next variable. next is the start offset of current ea that got from\nprevious ea."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/smb/server/smb2pdu.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "aeb974907642be095e38ecb1a400ca583958b2b0", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "f339d76a3a972601d0738b881b099d49ebbdc3a2", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "4bf629262f9118ee91b1c3a518ebf2b3bcb22180", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "79ed288cef201f1f212dfb934bcaac75572fb8f6", "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/smb2pdu.c"], "versions": [{"version": "5.15.127", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.46", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.4.11", "lessThanOrEqual": "6.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.5", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.15.127"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.1.46"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.4.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.5"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/aeb974907642be095e38ecb1a400ca583958b2b0"}, {"url": "https://git.kernel.org/stable/c/f339d76a3a972601d0738b881b099d49ebbdc3a2"}, {"url": "https://git.kernel.org/stable/c/4bf629262f9118ee91b1c3a518ebf2b3bcb22180"}, {"url": "https://git.kernel.org/stable/c/79ed288cef201f1f212dfb934bcaac75572fb8f6"}], "title": "ksmbd: fix wrong next length validation of ea buffer in smb2_set_ea()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix wrong next length validation of ea buffer in smb2_set_ea()\n\nThere are multiple smb2_ea_info buffers in FILE_FULL_EA_INFORMATION request\nfrom client. ksmbd find next smb2_ea_info using ->NextEntryOffset of\ncurrent smb2_ea_info. ksmbd need to validate buffer length Before\naccessing the next ea. ksmbd should check buffer length using buf_len,\nnot next variable. next is the start offset of current ea that got from\nprevious ea."}], "id": "CVE-2023-4130", "lastModified": "2025-08-16T14:15:27.640", "metrics": {}, "published": "2025-08-16T14:15:27.640", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4bf629262f9118ee91b1c3a518ebf2b3bcb22180"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/79ed288cef201f1f212dfb934bcaac75572fb8f6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/aeb974907642be095e38ecb1a400ca583958b2b0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f339d76a3a972601d0738b881b099d49ebbdc3a2"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}