{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-4515", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2023-08-24T10:34:48.702Z", "datePublished": "2025-08-16T13:25:50.562Z", "dateUpdated": "2025-08-16T13:25:50.562Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-08-16T13:25:50.562Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: validate command request size\n\nIn commit 2b9b8f3b68ed (\"ksmbd: validate command payload size\"), except\nfor SMB2_OPLOCK_BREAK_HE command, the request size of other commands\nis not checked, it's not expected. Fix it by add check for request\nsize of other commands."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/smb/server/smb2misc.c"], "versions": [{"version": "35f450f54dca1519bb24faacd0428db09f89a11f", "lessThan": "595679098bdcdbfbba91ebe07a2f7f208df93870", "status": "affected", "versionType": "git"}, {"version": "9650cf70ec9d94ff34daa088b643229231723c26", "lessThan": "c6bef3bc30fd4a175aef846b7d928a6c40d091cd", "status": "affected", "versionType": "git"}, {"version": "2b9b8f3b68edb3d67d79962f02e26dbb5ae3808d", "lessThan": "ff7236b66d69582f90cf5616e63cfc3dc18142bb", "status": "affected", "versionType": "git"}, {"version": "2b9b8f3b68edb3d67d79962f02e26dbb5ae3808d", "lessThan": "5aa4fda5aa9c2a5a7bac67b4a12b089ab81fee3c", "status": "affected", "versionType": "git"}, {"version": "768caf4019f0391c0b6452afe34cea1704133f7b", "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/smb2misc.c"], "versions": [{"version": "6.4", "status": "affected"}, {"version": "0", "lessThan": "6.4", "status": "unaffected", "versionType": "semver"}, {"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:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15.121", "versionEndExcluding": "5.15.127"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1.36", "versionEndExcluding": "6.1.46"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.4.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3.10"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/595679098bdcdbfbba91ebe07a2f7f208df93870"}, {"url": "https://git.kernel.org/stable/c/c6bef3bc30fd4a175aef846b7d928a6c40d091cd"}, {"url": "https://git.kernel.org/stable/c/ff7236b66d69582f90cf5616e63cfc3dc18142bb"}, {"url": "https://git.kernel.org/stable/c/5aa4fda5aa9c2a5a7bac67b4a12b089ab81fee3c"}], "title": "ksmbd: validate command request size", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: validate command request size\n\nIn commit 2b9b8f3b68ed (\"ksmbd: validate command payload size\"), except\nfor SMB2_OPLOCK_BREAK_HE command, the request size of other commands\nis not checked, it's not expected. Fix it by add check for request\nsize of other commands."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ksmbd: validar el tama\u00f1o de la solicitud de comando. En el commit 2b9b8f3b68ed (\"ksmbd: validar el tama\u00f1o del payload del comando\"), excepto para el comando SMB2_OPLOCK_BREAK_HE, no se comprueba el tama\u00f1o de la solicitud de otros comandos, lo cual no es lo esperado. Se puede solucionar a\u00f1adiendo la comprobaci\u00f3n del tama\u00f1o de la solicitud de otros comandos."}], "id": "CVE-2023-4515", "lastModified": "2025-08-18T20:16:28.750", "metrics": {}, "published": "2025-08-16T14:15:27.780", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/595679098bdcdbfbba91ebe07a2f7f208df93870"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5aa4fda5aa9c2a5a7bac67b4a12b089ab81fee3c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c6bef3bc30fd4a175aef846b7d928a6c40d091cd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ff7236b66d69582f90cf5616e63cfc3dc18142bb"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: ksmbd: validate command request size", "id": "2388955", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2388955"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nksmbd: validate command request size\nIn commit 2b9b8f3b68ed (\"ksmbd: validate command payload size\"), except\nfor SMB2_OPLOCK_BREAK_HE command, the request size of other commands\nis not checked, it's not expected. Fix it by add check for request\nsize of other commands."], "name": "CVE-2023-4515", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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": "2025-08-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-4515\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-4515\nhttps://lore.kernel.org/linux-cve-announce/2025081654-CVE-2023-4515-3864@gregkh/T"], "threat_severity": "Moderate"}