{"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": "2024-09-27T13:43:55.993Z"}, "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.\n\n"}], "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": "2023-07-22T09:43:12.163Z"}, "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"}}]}}

{"dataType": "CVE_RECORD", "containers": {"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": "2024-09-27T13:43:51.619Z"}}], "cna": {"title": "Out-of-bounds write in Linux kernel's net/sched: sch_qfq component", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Lion"}], "impacts": [{"capecId": "CAPEC-233", "descriptions": [{"lang": "en", "value": "CAPEC-233 Privilege Escalation"}]}], "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"}], "datePublic": "2023-07-13T09:11:00.000Z", "references": [{"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e337087c3b5805fe0b8a46ba622a962880b5d64", "tags": ["patch"]}, {"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"}], "x_generator": {"engine": "Vulnogram 0.1.0-dev"}, "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", "supportingMedia": [{"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>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-787", "description": "CWE-787 Out-of-bounds Write"}]}], "providerMetadata": {"orgId": "14ed7db2-1595-443d-9d34-6215bf890778", "shortName": "Google", "dateUpdated": "2023-07-22T09:43:12.163Z"}}}, "cveMetadata": {"cveId": "CVE-2023-3611", "state": "PUBLISHED", "dateUpdated": "2024-09-27T13:43:55.993Z", "dateReserved": "2023-07-10T20:52:55.365Z", "assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778", "datePublished": "2023-07-21T20:49:10.812Z", "assignerShortName": "Google"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "F395B68F-3350-4D7E-A0F3-DBE2FC9A7E0D", "versionEndExcluding": "4.14.322", "versionStartIncluding": "3.8", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D2D2CA9F-4CC4-4AF5-8C6D-E58415AB782E", "versionEndExcluding": "4.19.291", "versionStartIncluding": "4.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0707E9FF-8CDE-4AC1-98F3-5BB74EF88F8A", "versionEndExcluding": "5.4.253", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "43CAE50A-4A6C-488E-813C-F8DB77C13C8B", "versionEndExcluding": "5.10.188", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "EC77775B-EC31-4966-966C-1286C02B2A85", "versionEndExcluding": "5.15.121", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "69315BCC-36D2-45CD-84F8-381EDF8E38F3", "versionEndExcluding": "6.1.40", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "923F6AEA-C2EF-4B08-B038-69A18F3D41F8", "versionEndExcluding": "6.4.5", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.5:rc1:*:*:*:*:*:*", "matchCriteriaId": "0B3E6E4D-E24E-4630-B00C-8C9901C597B0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*", "matchCriteriaId": "46D69DCC-AE4D-4EA5-861C-D60951444C6C", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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"}], "id": "CVE-2023-3611", "lastModified": "2024-08-22T20:25:34.373", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"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"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "cve-coordination@google.com", "type": "Secondary"}]}, "published": "2023-07-21T21:15:11.897", "references": [{"source": "cve-coordination@google.com", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e337087c3b5805fe0b8a46ba622a962880b5d64"}, {"source": "cve-coordination@google.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://kernel.dance/3e337087c3b5805fe0b8a46ba622a962880b5d64"}, {"source": "cve-coordination@google.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html"}, {"source": "cve-coordination@google.com", "tags": ["Mailing List"], "url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html"}, {"source": "cve-coordination@google.com", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20230908-0002/"}, {"source": "cve-coordination@google.com", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2023/dsa-5480"}, {"source": "cve-coordination@google.com", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2023/dsa-5492"}], "sourceIdentifier": "cve-coordination@google.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "cve-coordination@google.com", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2024:1831", "cpe": "cpe:/o:redhat:rhel_els:6", "package": "kernel-0:2.6.32-754.53.1.el6", "product_name": "Red Hat Enterprise Linux 6 Extended Lifecycle Support", "release_date": "2024-04-16T00:00:00Z"}, {"advisory": "RHSA-2023:7424", "cpe": "cpe:/a:redhat:rhel_extras_rt:7", "package": "kernel-rt-0:3.10.0-1160.105.1.rt56.1256.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2023-11-21T00:00:00Z"}, {"advisory": "RHSA-2023:7419", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kpatch-patch", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2023-11-21T00:00:00Z"}, {"advisory": "RHSA-2023:7423", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kernel-0:3.10.0-1160.105.1.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2023-11-21T00:00:00Z"}, {"advisory": "RHSA-2024:0261", "cpe": "cpe:/o:redhat:rhel_aus:7.6", "package": "kernel-0:3.10.0-957.109.1.el7", "product_name": "Red Hat Enterprise Linux 7.6 Advanced Update Support", "release_date": "2024-01-16T00:00:00Z"}, {"advisory": "RHSA-2024:0262", "cpe": "cpe:/o:redhat:rhel_aus:7.7", "package": "kernel-0:3.10.0-1062.82.1.el7", "product_name": "Red Hat Enterprise Linux 7.7 Advanced Update Support", "release_date": "2024-01-16T00:00:00Z"}, {"advisory": "RHSA-2023:6901", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-513.5.1.rt7.307.el8_9", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-11-14T00:00:00Z"}, {"advisory": "RHSA-2023:7077", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-513.5.1.el8_9", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-11-14T00:00:00Z"}, {"advisory": "RHSA-2024:1268", "cpe": "cpe:/o:redhat:rhel_aus:8.2", "package": "kernel-0:4.18.0-193.128.1.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Advanced Update Support", "release_date": "2024-03-12T00:00:00Z"}, {"advisory": "RHSA-2024:1269", "cpe": "cpe:/a:redhat:rhel_tus:8.2::nfv", "package": "kernel-rt-0:4.18.0-193.128.1.rt13.179.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Telecommunications Update Service", "release_date": "2024-03-12T00:00:00Z"}, {"advisory": "RHSA-2024:1268", "cpe": "cpe:/o:redhat:rhel_tus:8.2", "package": "kernel-0:4.18.0-193.128.1.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Telecommunications Update Service", "release_date": "2024-03-12T00:00:00Z"}, {"advisory": "RHSA-2024:1268", "cpe": "cpe:/o:redhat:rhel_e4s:8.2", "package": "kernel-0:4.18.0-193.128.1.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions", "release_date": "2024-03-12T00:00:00Z"}, {"advisory": "RHSA-2024:1278", "cpe": "cpe:/o:redhat:rhel_e4s:8.2", "package": "kpatch-patch", "product_name": "Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions", "release_date": "2024-03-12T00:00:00Z"}, {"advisory": "RHSA-2024:1367", "cpe": "cpe:/o:redhat:rhel_aus:8.4", "package": "kernel-0:4.18.0-305.125.1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support", "release_date": "2024-03-19T00:00:00Z"}, {"advisory": "RHSA-2024:1382", "cpe": "cpe:/a:redhat:rhel_tus:8.4::nfv", "package": "kernel-rt-0:4.18.0-305.125.1.rt7.201.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Telecommunications Update Service", "release_date": "2024-03-19T00:00:00Z"}, {"advisory": "RHSA-2024:1367", "cpe": "cpe:/o:redhat:rhel_tus:8.4", "package": "kernel-0:4.18.0-305.125.1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Telecommunications Update Service", "release_date": "2024-03-19T00:00:00Z"}, {"advisory": "RHSA-2024:1367", "cpe": "cpe:/o:redhat:rhel_e4s:8.4", "package": "kernel-0:4.18.0-305.125.1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions", "release_date": "2024-03-19T00:00:00Z"}, {"advisory": "RHSA-2024:1377", "cpe": "cpe:/o:redhat:rhel_e4s:8.4", "package": "kpatch-patch", "product_name": "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions", "release_date": "2024-03-19T00:00:00Z"}, {"advisory": "RHSA-2024:0378", "cpe": "cpe:/o:redhat:rhel_eus:8.6", "package": "kpatch-patch", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2024-01-23T00:00:00Z"}, {"advisory": "RHSA-2024:0412", "cpe": "cpe:/o:redhat:rhel_eus:8.6", "package": "kernel-0:4.18.0-372.87.1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2024-01-25T00:00:00Z"}, {"advisory": "RHSA-2024:0554", "cpe": "cpe:/o:redhat:rhel_eus:8.8", "package": "kpatch-patch", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2024-01-30T00:00:00Z"}, {"advisory": "RHSA-2024:0575", "cpe": "cpe:/o:redhat:rhel_eus:8.8", "package": "kernel-0:4.18.0-477.43.1.el8_8", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2024-01-30T00:00:00Z"}, {"advisory": "RHSA-2024:0412", "cpe": "cpe:/o:redhat:rhev_hypervisor:4.4::el8", "package": "kernel-0:4.18.0-372.87.1.el8_6", "product_name": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 8", "release_date": "2024-01-25T00:00:00Z"}], "bugzilla": {"description": "kernel: net/sched: sch_qfq component can be exploited if in qfq_change_agg function happens qfq_enqueue overhead", "id": "2225191", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2225191"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-787", "details": ["An out-of-bounds write vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve local privilege escalation.\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.\nWe recommend upgrading past commit 3e337087c3b5805fe0b8a46ba622a962880b5d64.", "An out-of-bounds memory write flaw was found in qfq_change_agg in net/sched/sch_qfq.c in the Traffic Control (QoS) subsystem in the Linux kernel. This flaw allows a local user to crash or potentially escalate their privileges on the system."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is to skip loading the affected module sch_qfq onto the system until we have a fix available. This can be done by a blacklist mechanism and will ensure the driver is not loaded at the boot time.\n~~~\nHow do I blacklist a kernel module to prevent it from loading automatically? \nhttps://access.redhat.com/solutions/41278 \n~~~"}, "name": "CVE-2023-3611", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2023-07-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-3611\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-3611\nhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e337087c3b5805fe0b8a46ba622a962880b5d64"], "threat_severity": "Important", "upstream_fix": "Kernel 6.5-rc2"}