CVE-2023-3611 (GCVE-0-2023-3611)

Vulnerability from cvelistv5 – Published: 2023-07-21 20:49 – Updated: 2025-02-13 16:56
VLAI
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.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Kernel Affected: 3.8 , < 6.5 (custom)
Create a notification for this product.
linux kernel Affected: 3.8 , < 6.5 (custom)
    cpe:2.3:o:linux:kernel:*:*:*:*:*:*:*:*
 Create a notification for this product.
Date Public
2023-07-13 09:11
Credits
Lion
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T07:01:57.288Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "patch",
              "x_transferred"
            ],
            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e337087c3b5805fe0b8a46ba622a962880b5d64"
          },
          {
            "tags": [
              "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"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:o:linux:kernel:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "kernel",
            "vendor": "linux",
            "versions": [
              {
                "lessThan": "6.5",
                "status": "affected",
                "version": "3.8",
                "versionType": "custom"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-3611",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-27T13:33:11.602895Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-27T13:43:55.993Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "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": "\u003cp\u003eAn out-of-bounds write vulnerability in the Linux kernel\u0027s net/sched: sch_qfq component can be exploited to achieve local privilege escalation.\u003c/p\u003e\u003cp\u003eThe 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.\u003c/p\u003e\u003cp\u003eWe recommend upgrading past commit 3e337087c3b5805fe0b8a46ba622a962880b5d64.\u003c/p\u003e"
            }
          ],
          "value": "An out-of-bounds write vulnerability in the Linux kernel\u0027s 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": {
        "dateUpdated": "2024-01-11T19:07:18.060Z",
        "orgId": "14ed7db2-1595-443d-9d34-6215bf890778",
        "shortName": "Google"
      },
      "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\u0027s net/sched: sch_qfq component",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778",
    "assignerShortName": "Google",
    "cveId": "CVE-2023-3611",
    "datePublished": "2023-07-21T20:49:10.812Z",
    "dateReserved": "2023-07-10T20:52:55.365Z",
    "dateUpdated": "2025-02-13T16:56:15.625Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-3611",
      "date": "2026-07-12",
      "epss": "0.00274",
      "percentile": "0.19284"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"3.8\", \"versionEndExcluding\": \"4.14.322\", \"matchCriteriaId\": \"F395B68F-3350-4D7E-A0F3-DBE2FC9A7E0D\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"4.15\", \"versionEndExcluding\": \"4.19.291\", \"matchCriteriaId\": \"D2D2CA9F-4CC4-4AF5-8C6D-E58415AB782E\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"4.20\", \"versionEndExcluding\": \"5.4.253\", \"matchCriteriaId\": \"0707E9FF-8CDE-4AC1-98F3-5BB74EF88F8A\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.5\", \"versionEndExcluding\": \"5.10.188\", \"matchCriteriaId\": \"43CAE50A-4A6C-488E-813C-F8DB77C13C8B\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.11\", \"versionEndExcluding\": \"5.15.121\", \"matchCriteriaId\": \"EC77775B-EC31-4966-966C-1286C02B2A85\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.16\", \"versionEndExcluding\": \"6.1.40\", \"matchCriteriaId\": \"69315BCC-36D2-45CD-84F8-381EDF8E38F3\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.2\", \"versionEndExcluding\": \"6.4.5\", \"matchCriteriaId\": \"923F6AEA-C2EF-4B08-B038-69A18F3D41F8\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:6.5:rc1:*:*:*:*:*:*\", \"matchCriteriaId\": \"0B3E6E4D-E24E-4630-B00C-8C9901C597B0\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"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\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"An out-of-bounds write vulnerability in the Linux kernel\u0027s 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": "2024-11-21T08:17:39.957",
      "metrics": "{\"cvssMetricV31\": [{\"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\", \"baseScore\": 7.8, \"baseSeverity\": \"HIGH\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 5.9}, {\"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\", \"baseScore\": 7.8, \"baseSeverity\": \"HIGH\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 5.9}]}",
      "published": "2023-07-21T21:15:11.897",
      "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://lists.debian.org/debian-lts-announce/2023/10/msg00027.html\", \"source\": \"cve-coordination@google.com\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html\", \"source\": \"cve-coordination@google.com\", \"tags\": [\"Mailing List\"]}, {\"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\", \"source\": \"cve-coordination@google.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e337087c3b5805fe0b8a46ba622a962880b5d64\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Patch\", \"Vendor Advisory\"]}, {\"url\": \"https://kernel.dance/3e337087c3b5805fe0b8a46ba622a962880b5d64\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20230908-0002/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.debian.org/security/2023/dsa-5480\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.debian.org/security/2023/dsa-5492\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}]",
      "sourceIdentifier": "cve-coordination@google.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"cve-coordination@google.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-787\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-787\"}]}]"
    },
    "microsoft_vex": {
      "current_release_date": "2023-08-01T00:00:00.000Z",
      "cve": "CVE-2023-3611",
      "id": "msrc_CVE-2023-3611",
      "initial_release_date": "2023-07-01T07:00:00.000Z",
      "product_status:fixed": "2",
      "product_status:known_affected": "2",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "Out-of-bounds write in Linux kernel\u0027s net/sched: sch_qfq component",
      "url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2023-3611.json",
      "version": "1"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-3611\",\"sourceIdentifier\":\"cve-coordination@google.com\",\"published\":\"2023-07-21T21:15:11.897\",\"lastModified\":\"2026-06-17T06:14:27.830\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An out-of-bounds write vulnerability in the Linux kernel\u0027s 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.\"}],\"affected\":[{\"source\":\"cve-coordination@google.com\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Kernel\",\"defaultStatus\":\"unaffected\",\"packageName\":\"kernel\",\"repo\":\"https://git.kernel.org\",\"versions\":[{\"version\":\"3.8\",\"lessThan\":\"6.5\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"affectedData\":[{\"vendor\":\"linux\",\"product\":\"kernel\",\"defaultStatus\":\"unknown\",\"cpes\":[\"cpe:2.3:o:linux:kernel:*:*:*:*:*:*:*:*\"],\"versions\":[{\"version\":\"3.8\",\"lessThan\":\"6.5\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"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\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9},{\"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\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2024-09-27T13:33:11.602895Z\",\"id\":\"CVE-2023-3611\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"total\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"cve-coordination@google.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"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\":\"4.14.322\",\"matchCriteriaId\":\"F395B68F-3350-4D7E-A0F3-DBE2FC9A7E0D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.15\",\"versionEndExcluding\":\"4.19.291\",\"matchCriteriaId\":\"D2D2CA9F-4CC4-4AF5-8C6D-E58415AB782E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.253\",\"matchCriteriaId\":\"0707E9FF-8CDE-4AC1-98F3-5BB74EF88F8A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.188\",\"matchCriteriaId\":\"43CAE50A-4A6C-488E-813C-F8DB77C13C8B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.121\",\"matchCriteriaId\":\"EC77775B-EC31-4966-966C-1286C02B2A85\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.40\",\"matchCriteriaId\":\"69315BCC-36D2-45CD-84F8-381EDF8E38F3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.4.5\",\"matchCriteriaId\":\"923F6AEA-C2EF-4B08-B038-69A18F3D41F8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.5:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"0B3E6E4D-E24E-4630-B00C-8C9901C597B0\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"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\"}]}]}],\"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://lists.debian.org/debian-lts-announce/2023/10/msg00027.html\",\"source\":\"cve-coordination@google.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html\",\"source\":\"cve-coordination@google.com\",\"tags\":[\"Mailing List\"]},{\"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\",\"source\":\"cve-coordination@google.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e337087c3b5805fe0b8a46ba622a962880b5d64\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://kernel.dance/3e337087c3b5805fe0b8a46ba622a962880b5d64\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20230908-0002/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2023/dsa-5480\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2023/dsa-5492\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2026-06-28T05:51:44+00:00",
      "cve": "CVE-2023-3611",
      "id": "CVE-2023-3611",
      "initial_release_date": "2023-07-21T00:00:00+00:00",
      "product_status:fixed": "1076",
      "product_status:known_not_affected": "108",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: net/sched: sch_qfq component can be exploited if in qfq_change_agg function happens qfq_enqueue overhead",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-3611.json",
      "version": "3"
    },
    "vulnrichment": {
      "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\u0027s 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\u0027s 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\": \"\u003cp\u003eAn out-of-bounds write vulnerability in the Linux kernel\u0027s net/sched: sch_qfq component can be exploited to achieve local privilege escalation.\u003c/p\u003e\u003cp\u003eThe 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.\u003c/p\u003e\u003cp\u003eWe recommend upgrading past commit 3e337087c3b5805fe0b8a46ba622a962880b5d64.\u003c/p\u003e\", \"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\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.