CVE-2023-52508

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An FC LLDD may make a call to\nnvme_fc_io_getuuid passing a pointer to an nvmefc_fcp_req for an AEN operation.\n\nAdd validation of the request structure pointer before dereference."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: nvme-fc: evita la desreferencia del puntero nulo en nvme_fc_io_getuuid() La estructura nvme_fc_fcp_op que describe una operaci\u00f3n AEN se inicializa con un puntero de estructura de solicitud nula. Un FC LLDD puede realizar una llamada a nvme_fc_io_getuuid pasando un puntero a nvmefc_fcp_req para una operaci\u00f3n AEN. Agregue la validaci\u00f3n del puntero de la estructura de la solicitud antes de la desreferencia."}], "id": "CVE-2023-52508", "lastModified": "2026-06-17T06:42:53.527", "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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-52508", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-06-24T14:59:29.447343Z", "version": "2.0.3"}}]}, "published": "2024-03-02T22:15:47.493", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8ae5b3a685dc59a8cf7ccfe0e850999ba9727a3c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/be90c9e29dd59b7d19a73297a1590ff3ec1d22ea"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dd46b3ac7322baf3772b33b29726e94f98289db7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8ae5b3a685dc59a8cf7ccfe0e850999ba9727a3c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/be90c9e29dd59b7d19a73297a1590ff3ec1d22ea"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dd46b3ac7322baf3772b33b29726e94f98289db7"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: nvme-fc: Prevent null pointer dereference in nvme_fc_io_getuuid()", "id": "2267775", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2267775"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnvme-fc: Prevent null pointer dereference in nvme_fc_io_getuuid()\nThe nvme_fc_fcp_op structure describing an AEN operation is initialized with a\nnull request structure pointer. An FC LLDD may make a call to\nnvme_fc_io_getuuid passing a pointer to an nvmefc_fcp_req for an AEN operation.\nAdd validation of the request structure pointer before dereference.", "A vulnerability was found in the Linux kernel, caused by a NULL pointer dereference in the nvme_fc_io_getuuid() function. This issue could cause system instability and lead to a potential crash."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2023-52508", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-03-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52508\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52508\nhttps://lore.kernel.org/linux-cve-announce/2024030250-CVE-2023-52508-359c@gregkh/T/#u"], "threat_severity": "Moderate"}

{}