{"schema_version":"1","data":[{"id":23221,"advisory_id":"3a77199a-8d31-4cbf-a962-19048523cbb5","revision":1,"source_id":"core-cve","source_url":"https://www.cve.org/CVERecord?id=CVE-2023-3338","source_published_at":"2023-06-30T00:00:00+00:00","published_at":"2026-10-25T06:15:11.487499+00:00","extraction_method":"structured","technologies":["core-cve","fedora","kernel","red-hat-enterprise-linux-6","red-hat-enterprise-linux-7","red-hat-enterprise-linux-8","red-hat-enterprise-linux-9"],"cve_ids":["CVE-2023-3338"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"Crash due to a null pointer dereference in the dn_nsp_send function","summary":"A null pointer dereference flaw was found in the Linux kernel's DECnet networking protocol. This issue could allow a remote user to crash the system.","evidence":"cve:CVE-2023-3338","products":[{"name":{"value":"kernel","evidence":"/containers/cna/affected/0/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]},{"name":{"value":"Red Hat Enterprise Linux 6","evidence":"/containers/cna/affected/1/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]},{"name":{"value":"Red Hat Enterprise Linux 7","evidence":"/containers/cna/affected/2/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]},{"name":{"value":"Red Hat Enterprise Linux 7","evidence":"/containers/cna/affected/3/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]},{"name":{"value":"Red Hat Enterprise Linux 8","evidence":"/containers/cna/affected/4/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]},{"name":{"value":"Red Hat Enterprise Linux 8","evidence":"/containers/cna/affected/5/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]},{"name":{"value":"Red Hat Enterprise Linux 9","evidence":"/containers/cna/affected/6/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]},{"name":{"value":"Red Hat Enterprise Linux 9","evidence":"/containers/cna/affected/7/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]},{"name":{"value":"Fedora","evidence":"/containers/cna/affected/8/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"medium","structured":{"id":"CVE-2023-3338","aliases":["CVE-2023-3338"],"metrics":[{"other":{"type":"Red Hat severity rating","content":{"value":"Moderate","namespace":"https://access.redhat.com/security/updates/classification/"}}},{"format":"CVSS","cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}}],"affected":[{"vendor":"n/a","product":"kernel","versions":[{"status":"unaffected","version":"6.5-rc1"}]},{"cpes":["cpe:/o:redhat:enterprise_linux:6"],"vendor":"Red Hat","product":"Red Hat Enterprise Linux 6","packageName":"kernel","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","defaultStatus":"unaffected"},{"cpes":["cpe:/o:redhat:enterprise_linux:7"],"vendor":"Red Hat","product":"Red Hat Enterprise Linux 7","packageName":"kernel","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","defaultStatus":"unaffected"},{"cpes":["cpe:/o:redhat:enterprise_linux:7"],"vendor":"Red Hat","product":"Red Hat Enterprise Linux 7","packageName":"kernel-rt","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","defaultStatus":"unaffected"},{"cpes":["cpe:/o:redhat:enterprise_linux:8"],"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8","packageName":"kernel","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","defaultStatus":"unaffected"},{"cpes":["cpe:/o:redhat:enterprise_linux:8"],"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8","packageName":"kernel-rt","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","defaultStatus":"unaffected"},{"cpes":["cpe:/o:redhat:enterprise_linux:9"],"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","packageName":"kernel","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","defaultStatus":"unaffected"},{"cpes":["cpe:/o:redhat:enterprise_linux:9"],"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","packageName":"kernel-rt","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","defaultStatus":"unaffected"},{"vendor":"Fedora","product":"Fedora","packageName":"kernel","collectionURL":"https://packages.fedoraproject.org/","defaultStatus":"affected"}],"modified":"2026-10-14T20:51:32.938Z","provider":"cve","references":["https://access.redhat.com/security/cve/CVE-2023-3338","https://bugzilla.redhat.com/show_bug.cgi?id=2218618","https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html","https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html","https://seclists.org/oss-sec/2023/q2/276","https://security.netapp.com/advisory/ntap-20230824-0005/","https://www.debian.org/security/2023/dsa-5480"],"provider_metadata":{"adp":[{"title":"CVE Program Container","references":[{"url":"https://access.redhat.com/security/cve/CVE-2023-3338","tags":["vdb-entry","x_refsource_REDHAT","x_transferred"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2218618","name":"RHBZ#2218618","tags":["issue-tracking","x_refsource_REDHAT","x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html","tags":["x_transferred"]},{"url":"https://seclists.org/oss-sec/2023/q2/276","tags":["x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20230824-0005/","tags":["x_transferred"]},{"url":"https://www.debian.org/security/2023/dsa-5480","tags":["x_transferred"]}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T06:55:03.281Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2023-3338","role":"CISA Coordinator","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-03-05T18:41:18.404363Z"}}}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-03-05T18:55:11.038Z"}},{"affected":[{"vendor":"Siemens","product":"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem","versions":[{"status":"affected","version":"0","lessThan":"V1.1","versionType":"custom"}],"defaultStatus":"unknown"}],"x_adpType":"supplier","references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-794697.html"}],"providerMetadata":{"orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","shortName":"siemens-SADP","dateUpdated":"2026-10-14T20:51:32.938Z"}}],"cna":{"orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","shortName":"redhat","dateUpdated":"2024-01-23T02:34:01.241Z"}}},"related_cves":[{"value":"CVE-2023-3338","evidence":"/cveMetadata/cveId"}],"security_relevant":true,"severity_evidence":"/containers/cna/metrics"}}],"next_after":23221,"next_before":23221}