gsd-2021-33034
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
In the Linux kernel before 5.12.4, net/bluetooth/hci_event.c has a use-after-free when destroying an hci_chan, aka CID-5c4c8c954409. This leads to writing an arbitrary value.
Aliases
Aliases
CVE-2021-33034


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-33034",
    "description": "In the Linux kernel before 5.12.4, net/bluetooth/hci_event.c has a use-after-free when destroying an hci_chan, aka CID-5c4c8c954409. This leads to writing an arbitrary value.",
    "id": "GSD-2021-33034",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-33034.html",
      "https://access.redhat.com/errata/RHBA-2021:2854",
      "https://access.redhat.com/errata/RHSA-2021:2737",
      "https://access.redhat.com/errata/RHSA-2021:2736",
      "https://access.redhat.com/errata/RHSA-2021:2734",
      "https://access.redhat.com/errata/RHSA-2021:2733",
      "https://access.redhat.com/errata/RHSA-2021:2732",
      "https://access.redhat.com/errata/RHSA-2021:2731",
      "https://access.redhat.com/errata/RHSA-2021:2730",
      "https://access.redhat.com/errata/RHSA-2021:2729",
      "https://access.redhat.com/errata/RHSA-2021:2728",
      "https://access.redhat.com/errata/RHSA-2021:2727",
      "https://access.redhat.com/errata/RHSA-2021:2726",
      "https://access.redhat.com/errata/RHSA-2021:2725",
      "https://access.redhat.com/errata/RHSA-2021:2720",
      "https://access.redhat.com/errata/RHSA-2021:2719",
      "https://access.redhat.com/errata/RHSA-2021:2718",
      "https://access.redhat.com/errata/RHSA-2021:2668",
      "https://access.redhat.com/errata/RHSA-2021:2666",
      "https://access.redhat.com/errata/RHSA-2021:2599",
      "https://access.redhat.com/errata/RHSA-2021:2570",
      "https://access.redhat.com/errata/RHSA-2021:2563",
      "https://ubuntu.com/security/CVE-2021-33034",
      "https://advisories.mageia.org/CVE-2021-33034.html",
      "https://security.archlinux.org/CVE-2021-33034",
      "https://linux.oracle.com/cve/CVE-2021-33034.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-33034"
      ],
      "details": "In the Linux kernel before 5.12.4, net/bluetooth/hci_event.c has a use-after-free when destroying an hci_chan, aka CID-5c4c8c954409. This leads to writing an arbitrary value.",
      "id": "GSD-2021-33034",
      "modified": "2023-12-13T01:23:18.757452Z",
      "schema_version": "1.4.0"
    }
  },
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      }
    },
    "nvd.nist.gov": {
      "configurations": {
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                "cpe_name": [],
                "versionEndExcluding": "5.12.4",
                "vulnerable": true
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            }
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        "problemtype": {
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                  "value": "CWE-416"
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 4.6,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "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
        }
      },
      "lastModifiedDate": "2022-05-08T23:45Z",
      "publishedDate": "2021-05-14T23:15Z"
    }
  }
}


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