gsd-2023-0266
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel. SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 is missing locks that can be used in a use-after-free that can result in a priviledge escalation to gain ring0 access from the system user. We recommend upgrading past commit 56b88b50565cd8b946a2d00b0c83927b7ebb055e
Aliases
Aliases
CVE-2023-0266


To clipboard 

{
  "GSD": {
    "alias": "CVE-2023-0266",
    "id": "GSD-2023-0266",
    "references": [
      "https://www.debian.org/security/2023/dsa-5324",
      "https://advisories.mageia.org/CVE-2023-0266.html",
      "https://www.suse.com/security/cve/CVE-2023-0266.html",
      "https://ubuntu.com/security/CVE-2023-0266"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-0266"
      ],
      "details": "A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel.\u00a0SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 is missing locks that can be used in a use-after-free that can result in a priviledge escalation to gain ring0 access from the system user. We recommend upgrading past commit\u00a056b88b50565cd8b946a2d00b0c83927b7ebb055e\n",
      "id": "GSD-2023-0266",
      "modified": "2023-12-13T01:20:22.550397Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
        "ASSIGNER": "security@google.com",
        "ID": "CVE-2023-0266",
        "STATE": "PUBLIC"
      },
      "affects": {
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            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Linux Kernel",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "4.14",
                          "version_value": "56b88b50565cd8b946a2d00b0c83927b7ebb055e"
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          }
        ]
      },
      "generator": {
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      },
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            "attackComplexity": "HIGH",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.9,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:H",
            "version": "3.1"
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      },
      "problemtype": {
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            "description": [
              {
                "cweId": "CWE-416",
                "lang": "eng",
                "value": "CWE-416 Use After Free"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/torvalds/linux/commit/becf9e5d553c2389d857a3c178ce80fdb34a02e1",
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            "url": "https://github.com/torvalds/linux/commit/becf9e5d553c2389d857a3c178ce80fdb34a02e1"
          },
          {
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          },
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          },
          {
            "name": "https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html",
            "refsource": "MISC",
            "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html"
          }
        ]
      },
      "source": {
        "discovery": "UNKNOWN"
      }
    },
    "nvd.nist.gov": {
      "configurations": {
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        "nodes": [
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            "children": [],
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                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                "versionEndExcluding": "4.19.270",
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                "vulnerable": true
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              {
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                "cpe_name": [],
                "versionEndExcluding": "5.15.88",
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                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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              }
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            "operator": "OR"
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        ]
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          "ID": "CVE-2023-0266"
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        "description": {
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            }
          ]
        },
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            {
              "name": "https://github.com/torvalds/linux/commit/becf9e5d553c2389d857a3c178ce80fdb34a02e1",
              "refsource": "MISC",
              "tags": [
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              "url": "https://github.com/torvalds/linux/commit/becf9e5d553c2389d857a3c178ce80fdb34a02e1"
            },
            {
              "name": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-5.10/alsa-pcm-move-rwsem-lock-inside-snd_ctl_elem_read-to-prevent-uaf.patch?id=72783cf35e6c55bca84c4bb7b776c58152856fd4",
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              "tags": [
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              "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-5.10/alsa-pcm-move-rwsem-lock-inside-snd_ctl_elem_read-to-prevent-uaf.patch?id=72783cf35e6c55bca84c4bb7b776c58152856fd4"
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      "impact": {
        "baseMetricV3": {
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            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
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            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
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          },
          "exploitabilityScore": 1.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2023-08-29T17:59Z",
      "publishedDate": "2023-01-30T14:15Z"
    }
  }
}


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