{"schema_version":"1","data":[{"id":23246,"advisory_id":"25b4282a-2867-4fd0-bf7c-1a1f03aff901","revision":1,"source_id":"core-cve","source_url":"https://www.cve.org/CVERecord?id=CVE-2023-3611","source_published_at":"2023-07-21T20:49:10.812+00:00","published_at":"2026-10-25T06:15:27.621783+00:00","extraction_method":"structured","technologies":["core-cve","kernel"],"cve_ids":["CVE-2023-3611"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"Out-of-bounds write in Linux kernel's net/sched: sch_qfq component","summary":"An out-of-bounds write vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve local privilege escalation. The qfq_change_agg() function in net/sched/sch_qfq.c allows an out-of-bounds write because lmax is updated according to packet sizes without bounds checks. We recommend upgrading past commit 3e337087c3b5805fe0b8a46ba622a962880b5d64.","evidence":"cve:CVE-2023-3611","products":[{"name":{"value":"Kernel","evidence":"/containers/cna/affected/0/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"high","structured":{"id":"CVE-2023-3611","aliases":["CVE-2023-3611"],"metrics":[{"format":"CVSS","cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.8,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"},"scenarios":[{"lang":"en","value":"GENERAL"}]}],"affected":[{"repo":"https://git.kernel.org","vendor":"Linux","product":"Kernel","versions":[{"status":"affected","version":"3.8","lessThan":"6.5","versionType":"custom"}],"packageName":"kernel","defaultStatus":"unaffected"}],"modified":"2026-10-14T21:13:41.685Z","provider":"cve","references":["https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e337087c3b5805fe0b8a46ba622a962880b5d64","https://kernel.dance/3e337087c3b5805fe0b8a46ba622a962880b5d64","https://www.debian.org/security/2023/dsa-5480","https://security.netapp.com/advisory/ntap-20230908-0002/","https://www.debian.org/security/2023/dsa-5492","https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html","https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html"],"provider_metadata":{"adp":[{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e337087c3b5805fe0b8a46ba622a962880b5d64","tags":["patch","x_transferred"]},{"url":"https://kernel.dance/3e337087c3b5805fe0b8a46ba622a962880b5d64","tags":["x_transferred"]},{"url":"https://www.debian.org/security/2023/dsa-5480","tags":["x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20230908-0002/","tags":["x_transferred"]},{"url":"https://www.debian.org/security/2023/dsa-5492","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html","tags":["x_transferred"]}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T07:01:57.288Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2023-3611","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2024-09-27T13:33:11.602895Z"}}}],"affected":[{"cpes":["cpe:2.3:o:linux:kernel:*:*:*:*:*:*:*:*"],"vendor":"linux","product":"kernel","versions":[{"status":"affected","version":"3.8","lessThan":"6.5","versionType":"custom"}],"defaultStatus":"unknown"}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-09-27T13:43:55.993Z"}},{"affected":[{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","versions":[{"status":"affected","version":"V3.1.0","lessThan":"V3.1.5","versionType":"custom"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","versions":[{"status":"affected","version":"V3.1.0","lessThan":"V3.1.5","versionType":"custom"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","versions":[{"status":"affected","version":"V3.1.0","lessThan":"V3.1.5","versionType":"custom"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","versions":[{"status":"affected","version":"V3.1.0","lessThan":"V3.1.5","versionType":"custom"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem","versions":[{"status":"affected","version":"0","lessThan":"V1.1","versionType":"custom"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","versions":[{"status":"affected","version":"V3.1.0","lessThan":"V3.1.5","versionType":"custom"}],"defaultStatus":"unknown"}],"x_adpType":"supplier","references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-831302.html"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-794697.html"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-806742.html"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-769027.html"}],"providerMetadata":{"orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","shortName":"siemens-SADP","dateUpdated":"2026-10-14T21:13:41.685Z"}}],"cna":{"orgId":"14ed7db2-1595-443d-9d34-6215bf890778","shortName":"Google","dateUpdated":"2024-01-11T19:07:18.060Z"}}},"related_cves":[{"value":"CVE-2023-3611","evidence":"/cveMetadata/cveId"}],"security_relevant":true,"severity_evidence":"/containers/cna/metrics"}}],"next_after":23246,"next_before":23246}