ghsa-4rfc-hjfx-gw3f
Vulnerability from github
Published
2022-05-14 02:14
Modified
2022-05-14 02:14
Details

The mod_l2_entry function in arch/x86/mm.c in Xen 3.4 through 4.6.x does not properly validate level 2 page table entries, which allows local PV guest administrators to gain privileges via a crafted superpage mapping.

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{
  "affected": [],
  "aliases": [
    "CVE-2015-7835"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2015-10-30T15:59:00Z",
    "severity": "HIGH"
  },
  "details": "The mod_l2_entry function in arch/x86/mm.c in Xen 3.4 through 4.6.x does not properly validate level 2 page table entries, which allows local PV guest administrators to gain privileges via a crafted superpage mapping.",
  "id": "GHSA-4rfc-hjfx-gw3f",
  "modified": "2022-05-14T02:14:02Z",
  "published": "2022-05-14T02:14:02Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2015-7835"
    },
    {
      "type": "WEB",
      "url": "https://github.com/QubesOS/qubes-secpack/blob/master/QSBs/qsb-022-2015.txt"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/201604-03"
    },
    {
      "type": "WEB",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-updates/2015-11/msg00063.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-updates/2015-12/msg00053.html"
    },
    {
      "type": "WEB",
      "url": "http://support.citrix.com/article/CTX202404"
    },
    {
      "type": "WEB",
      "url": "http://www.debian.org/security/2015/dsa-3390"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/77366"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id/1034032"
    },
    {
      "type": "WEB",
      "url": "http://xenbits.xen.org/xsa/advisory-148.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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