{ "id": "CVE-2023-3611", "sourceIdentifier": "cve-coordination@google.com", "published": "2023-07-21T21:15:11.897", "lastModified": "2023-09-10T12:15:45.677", "vulnStatus": "Modified", "descriptions": [ { "lang": "en", "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.\n\n" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 5.9 }, { "source": "cve-coordination@google.com", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 5.9 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-787" } ] }, { "source": "cve-coordination@google.com", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-787" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.8", "versionEndExcluding": "6.5", "matchCriteriaId": "CF31EEDA-1400-421A-BE85-493473C7CD70" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.5:rc1:*:*:*:*:*:*", "matchCriteriaId": "0B3E6E4D-E24E-4630-B00C-8C9901C597B0" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e337087c3b5805fe0b8a46ba622a962880b5d64", "source": "cve-coordination@google.com", "tags": [ "Mailing List", "Patch", "Vendor Advisory" ] }, { "url": "https://kernel.dance/3e337087c3b5805fe0b8a46ba622a962880b5d64", "source": "cve-coordination@google.com", "tags": [ "Patch", "Vendor Advisory" ] }, { "url": "https://security.netapp.com/advisory/ntap-20230908-0002/", "source": "cve-coordination@google.com" }, { "url": "https://www.debian.org/security/2023/dsa-5480", "source": "cve-coordination@google.com" }, { "url": "https://www.debian.org/security/2023/dsa-5492", "source": "cve-coordination@google.com" } ] }