GHSA-GPGG-JPCR-93M3

Vulnerability from github – Published: 2022-05-14 01:18 – Updated: 2022-05-14 01:18
VLAI?
Details

The vcpu_scan_ioapic function in arch/x86/kvm/x86.c in the Linux kernel through 4.19.2 allows local users to cause a denial of service (NULL pointer dereference and BUG) via crafted system calls that reach a situation where ioapic is uninitialized.

Severity ?
5.5 (Medium)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2018-19407"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-11-21T00:29:00Z",
    "severity": "MODERATE"
  },
  "details": "The vcpu_scan_ioapic function in arch/x86/kvm/x86.c in the Linux kernel through 4.19.2 allows local users to cause a denial of service (NULL pointer dereference and BUG) via crafted system calls that reach a situation where ioapic is uninitialized.",
  "id": "GHSA-gpgg-jpcr-93m3",
  "modified": "2022-05-14T01:18:24Z",
  "published": "2022-05-14T01:18:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-19407"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html"
    },
    {
      "type": "WEB",
      "url": "https://lkml.org/lkml/2018/11/20/580"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3871-1"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3871-3"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3871-4"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3871-5"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3872-1"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3878-1"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3878-2"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3879-1"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3879-2"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/105987"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.