ghsa-hhxw-8c9w-q5q9
Vulnerability from github
Published
2022-05-24 17:41
Modified
2022-06-29 00:00
Severity ?
7.0 (High) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Details

A local privilege escalation was discovered in the Linux kernel before 5.10.13. Multiple race conditions in the AF_VSOCK implementation are caused by wrong locking in net/vmw_vsock/af_vsock.c. The race conditions were implicitly introduced in the commits that added VSOCK multi-transport support.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-26708"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-269",
      "CWE-667"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-02-05T14:15:00Z",
    "severity": "HIGH"
  },
  "details": "A local privilege escalation was discovered in the Linux kernel before 5.10.13. Multiple race conditions in the AF_VSOCK implementation are caused by wrong locking in net/vmw_vsock/af_vsock.c. The race conditions were implicitly introduced in the commits that added VSOCK multi-transport support.",
  "id": "GHSA-hhxw-8c9w-q5q9",
  "modified": "2022-06-29T00:00:48Z",
  "published": "2022-05-24T17:41:13Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-26708"
    },
    {
      "type": "WEB",
      "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.13"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c518adafa39f37858697ac9309c6cf1805581446"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20210312-0008"
    },
    {
      "type": "WEB",
      "url": "https://www.openwall.com/lists/oss-security/2021/02/04/5"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2021/02/05/6"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2021/04/09/2"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2022/01/25/14"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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