{
  "schema_version": "1.4.0",
  "id": "GHSA-c6v6-mvg4-h5hx",
  "modified": "2022-12-03T15:30:27Z",
  "published": "2022-05-24T17:23:59Z",
  "aliases": [
    "CVE-2020-15852"
  ],
  "details": "An issue was discovered in the Linux kernel 5.5 through 5.7.9, as used in Xen through 4.13.x for x86 PV guests. An attacker may be granted the I/O port permissions of an unrelated task. This occurs because tss_invalidate_io_bitmap mishandling causes a loss of synchronization between the I/O bitmaps of TSS and Xen, aka CID-cadfad870154.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-15852"
    },
    {
      "type": "WEB",
      "url": "https://github.com/torvalds/linux/commit/cadfad870154e14f745ec845708bc17d166065f2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cadfad870154e14f745ec845708bc17d166065f2"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20200810-0001"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2020/07/21/2"
    },
    {
      "type": "WEB",
      "url": "http://xenbits.xen.org/xsa/advisory-329.html"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-276"
    ],
    "severity": "MODERATE",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-07-20T19:15:00Z"
  }
}