GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2023-40283 (GCVE-0-2023-40283)

Vulnerability from cvelistv5 – Published: 2023-08-14 00:00 – Updated: 2026-02-25 17:20
VLAI
Summary
An issue was discovered in l2cap_sock_release in net/bluetooth/l2cap_sock.c in the Linux kernel before 6.4.10. There is a use-after-free because the children of an sk are mishandled.
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 · CISA-ADP (v2.0.3)
Decision recorded 2024-05-10 04:00 UTC
CWE
Assigner
References
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T18:31:53.261Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1728137b33c00d5a2b5110ed7aafb42e7c32e4a1"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/torvalds/linux/commit/1728137b33c00d5a2b5110ed7aafb42e7c32e4a1"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.10"
          },
          {
            "name": "DSA-5480",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2023/dsa-5480"
          },
          {
            "name": "DSA-5492",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2023/dsa-5492"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html"
          },
          {
            "name": "[debian-lts-announce] 20231019 [SECURITY] [DLA 3623-1] linux-5.10 security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20231020-0007/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html"
          },
          {
            "name": "[debian-lts-announce] 20240111 [SECURITY] [DLA 3710-1] linux security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "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"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2023-40283",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-05-10T04:00:08.967057Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-416",
                "description": "CWE-416 Use After Free",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-25T17:20:11.768Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was discovered in l2cap_sock_release in net/bluetooth/l2cap_sock.c in the Linux kernel before 6.4.10. There is a use-after-free because the children of an sk are mishandled."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-01-11T19:07:21.176Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1728137b33c00d5a2b5110ed7aafb42e7c32e4a1"
        },
        {
          "url": "https://github.com/torvalds/linux/commit/1728137b33c00d5a2b5110ed7aafb42e7c32e4a1"
        },
        {
          "url": "https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.10"
        },
        {
          "name": "DSA-5480",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.debian.org/security/2023/dsa-5480"
        },
        {
          "name": "DSA-5492",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.debian.org/security/2023/dsa-5492"
        },
        {
          "url": "http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html"
        },
        {
          "name": "[debian-lts-announce] 20231019 [SECURITY] [DLA 3623-1] linux-5.10 security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20231020-0007/"
        },
        {
          "url": "http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html"
        },
        {
          "name": "[debian-lts-announce] 20240111 [SECURITY] [DLA 3710-1] linux security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2023-40283",
    "datePublished": "2023-08-14T00:00:00.000Z",
    "dateReserved": "2023-08-14T00:00:00.000Z",
    "dateUpdated": "2026-02-25T17:20:11.768Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-40283",
      "date": "2026-09-16",
      "epss": "0.0055",
      "percentile": "0.44615"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"3.5\", \"versionEndExcluding\": \"4.14.322\", \"matchCriteriaId\": \"EE63FFD7-BA18-48C7-95E9-7C35C3FC2E88\"}, {\"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\": \"5.10.190\", \"matchCriteriaId\": \"B8DECE4F-2D62-4976-B338-963015198AC8\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.11\", \"versionEndExcluding\": \"5.15.126\", \"matchCriteriaId\": \"C552AC9E-23B8-4D7D-AA26-57985BD93962\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.16\", \"versionEndExcluding\": \"6.1.45\", \"matchCriteriaId\": \"A0CA013D-55AF-4494-A931-AFC8EA64E875\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.2\", \"versionEndExcluding\": \"6.4.10\", \"matchCriteriaId\": \"7BB0D94C-4FCE-46F4-A8D4-062D6A84627A\"}]}]}, {\"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\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*\", \"matchCriteriaId\": \"815D70A8-47D3-459C-A32C-9FEACA0659D1\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*\", \"matchCriteriaId\": \"7A5301BF-1402-4BE0-A0F8-69FBE79BC6D6\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*\", \"matchCriteriaId\": \"23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*\", \"matchCriteriaId\": \"902B8056-9E37-443B-8905-8AA93E2447FB\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:*\", \"matchCriteriaId\": \"359012F1-2C63-415A-88B8-6726A87830DE\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"An issue was discovered in l2cap_sock_release in net/bluetooth/l2cap_sock.c in the Linux kernel before 6.4.10. There is a use-after-free because the children of an sk are mishandled.\"}]",
      "id": "CVE-2023-40283",
      "lastModified": "2024-11-21T08:19:08.070",
      "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\", \"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": "2023-08-14T03:15:09.257",
      "references": "[{\"url\": \"http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.10\", \"source\": \"cve@mitre.org\", \"tags\": [\"Release Notes\"]}, {\"url\": \"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1728137b33c00d5a2b5110ed7aafb42e7c32e4a1\", \"source\": \"cve@mitre.org\", \"tags\": [\"Patch\"]}, {\"url\": \"https://github.com/torvalds/linux/commit/1728137b33c00d5a2b5110ed7aafb42e7c32e4a1\", \"source\": \"cve@mitre.org\", \"tags\": [\"Patch\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html\", \"source\": \"cve@mitre.org\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html\", \"source\": \"cve@mitre.org\", \"tags\": [\"Issue Tracking\", \"Third Party Advisory\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20231020-0007/\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.debian.org/security/2023/dsa-5480\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.debian.org/security/2023/dsa-5492\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.10\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Release Notes\"]}, {\"url\": \"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1728137b33c00d5a2b5110ed7aafb42e7c32e4a1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}, {\"url\": \"https://github.com/torvalds/linux/commit/1728137b33c00d5a2b5110ed7aafb42e7c32e4a1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}, {\"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\": [\"Issue Tracking\", \"Third Party Advisory\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20231020-0007/\", \"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@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-416\"}]}]"
    },
    "microsoft_vex": {
      "current_release_date": "2023-08-22T00:00:00.000Z",
      "cve": "CVE-2023-40283",
      "id": "msrc_CVE-2023-40283",
      "initial_release_date": "2023-08-01T00:00:00.000Z",
      "product_status:fixed": "1",
      "product_status:known_affected": "1",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "An issue was discovered in l2cap_sock_release in net/bluetooth/l2cap_sock.c in the Linux kernel before 6.4.10. There is a use-after-free because the children of an sk are mishandled.",
      "url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2023-40283.json",
      "version": "1"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-40283\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2023-08-14T03:15:09.257\",\"lastModified\":\"2026-06-17T06:17:02.530\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An issue was discovered in l2cap_sock_release in net/bluetooth/l2cap_sock.c in the Linux kernel before 6.4.10. There is a use-after-free because the children of an sk are mishandled.\"}],\"affected\":[{\"source\":\"cve@mitre.org\",\"affectedData\":[{\"vendor\":\"n/a\",\"product\":\"n/a\",\"versions\":[{\"version\":\"n/a\",\"status\":\"affected\"}]}]}],\"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\",\"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\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"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}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2024-05-10T04:00:08.967057Z\",\"id\":\"CVE-2023-40283\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"total\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.5\",\"versionEndExcluding\":\"4.14.322\",\"matchCriteriaId\":\"EE63FFD7-BA18-48C7-95E9-7C35C3FC2E88\"},{\"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\":\"5.10.190\",\"matchCriteriaId\":\"B8DECE4F-2D62-4976-B338-963015198AC8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.126\",\"matchCriteriaId\":\"C552AC9E-23B8-4D7D-AA26-57985BD93962\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.45\",\"matchCriteriaId\":\"A0CA013D-55AF-4494-A931-AFC8EA64E875\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.4.10\",\"matchCriteriaId\":\"7BB0D94C-4FCE-46F4-A8D4-062D6A84627A\"}]}]},{\"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\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*\",\"matchCriteriaId\":\"815D70A8-47D3-459C-A32C-9FEACA0659D1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*\",\"matchCriteriaId\":\"7A5301BF-1402-4BE0-A0F8-69FBE79BC6D6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"902B8056-9E37-443B-8905-8AA93E2447FB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"359012F1-2C63-415A-88B8-6726A87830DE\"}]}]}],\"references\":[{\"url\":\"http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.10\",\"source\":\"cve@mitre.org\",\"tags\":[\"Release Notes\"]},{\"url\":\"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1728137b33c00d5a2b5110ed7aafb42e7c32e4a1\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\"]},{\"url\":\"https://github.com/torvalds/linux/commit/1728137b33c00d5a2b5110ed7aafb42e7c32e4a1\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Issue Tracking\",\"Third Party Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20231020-0007/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2023/dsa-5480\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2023/dsa-5492\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.10\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Release Notes\"]},{\"url\":\"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1728137b33c00d5a2b5110ed7aafb42e7c32e4a1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://github.com/torvalds/linux/commit/1728137b33c00d5a2b5110ed7aafb42e7c32e4a1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"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\":[\"Issue Tracking\",\"Third Party Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20231020-0007/\",\"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": "Moderate",
      "current_release_date": "2026-06-28T05:29:25+00:00",
      "cve": "CVE-2023-40283",
      "id": "CVE-2023-40283",
      "initial_release_date": "2023-08-14T00:00:00+00:00",
      "product_status:fixed": "1351",
      "product_status:known_affected": "50",
      "product_status:known_not_affected": "14",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: use-after-free in l2cap_sock_release in net/bluetooth/l2cap_sock.c",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-40283.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-02T01:51:30Z",
      "cve": "CVE-2023-40283",
      "id": "CVE-2023-40283",
      "initial_release_date": "2023-08-15T03:06:53Z",
      "product_status:known_affected": "199",
      "product_status:known_not_affected": "68",
      "product_status:recommended": "1037",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-40283",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-40283.json",
      "version": "65"
    }
  }
}



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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.