{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-3611","assignerOrgId":"14ed7db2-1595-443d-9d34-6215bf890778","state":"PUBLISHED","assignerShortName":"Google","dateReserved":"2023-07-10T20:52:55.365Z","datePublished":"2023-07-21T20:49:10.812Z","dateUpdated":"2025-02-13T16:56:15.625Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","packageName":"kernel","product":"Kernel","repo":"https://git.kernel.org","vendor":"Linux","versions":[{"lessThan":"6.5","status":"affected","version":"3.8","versionType":"custom"}]}],"credits":[{"lang":"en","type":"finder","user":"00000000-0000-4000-9000-000000000000","value":"Lion"}],"datePublic":"2023-07-13T09:11:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>An out-of-bounds write vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve local privilege escalation.</p><p>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.</p><p>We recommend upgrading past commit 3e337087c3b5805fe0b8a46ba622a962880b5d64.</p>"}],"value":"An out-of-bounds write vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve local privilege escalation.\n\nThe 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.\n\nWe recommend upgrading past commit 3e337087c3b5805fe0b8a46ba622a962880b5d64."}],"impacts":[{"capecId":"CAPEC-233","descriptions":[{"lang":"en","value":"CAPEC-233 Privilege Escalation"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"14ed7db2-1595-443d-9d34-6215bf890778","shortName":"Google","dateUpdated":"2024-01-11T19:07:18.060Z"},"references":[{"tags":["patch"],"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e337087c3b5805fe0b8a46ba622a962880b5d64"},{"url":"https://kernel.dance/3e337087c3b5805fe0b8a46ba622a962880b5d64"},{"url":"https://www.debian.org/security/2023/dsa-5480"},{"url":"https://security.netapp.com/advisory/ntap-20230908-0002/"},{"url":"https://www.debian.org/security/2023/dsa-5492"},{"url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html"},{"url":"https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html"}],"source":{"discovery":"EXTERNAL"},"title":"Out-of-bounds write in Linux kernel's net/sched: sch_qfq component","x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T07:01:57.288Z"},"title":"CVE Program Container","references":[{"tags":["patch","x_transferred"],"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e337087c3b5805fe0b8a46ba622a962880b5d64"},{"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"]}]},{"affected":[{"vendor":"linux","product":"kernel","cpes":["cpe:2.3:o:linux:kernel:*:*:*:*:*:*:*:*"],"defaultStatus":"unknown","versions":[{"version":"3.8","status":"affected","lessThan":"6.5","versionType":"custom"}]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-09-27T13:33:11.602895Z","id":"CVE-2023-3611","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-09-27T13:43:55.993Z"}}]}}