github - ghsa-vx6h-cqmq-qj84

GHSA-VX6H-CQMQ-QJ84

Vulnerability from github – Published: 2022-05-13 01:49 – Updated: 2022-05-13 01:49

Details

In arch/x86/kvm/vmx.c in the Linux kernel before 4.17.2, when nested virtualization is used, local attackers could cause L1 KVM guests to VMEXIT, potentially allowing privilege escalations and denial of service attacks due to lack of checking of CPL.

Severity ?

4.9 (Medium)


                  
                    CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

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{
  "affected": [],
  "aliases": [
    "CVE-2018-12904"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-06-27T11:29:00Z",
    "severity": "MODERATE"
  },
  "details": "In arch/x86/kvm/vmx.c in the Linux kernel before 4.17.2, when nested virtualization is used, local attackers could cause L1 KVM guests to VMEXIT, potentially allowing privilege escalations and denial of service attacks due to lack of checking of CPL.",
  "id": "GHSA-vx6h-cqmq-qj84",
  "modified": "2022-05-13T01:49:41Z",
  "published": "2022-05-13T01:49:41Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-12904"
    },
    {
      "type": "WEB",
      "url": "https://github.com/torvalds/linux/commit/727ba748e110b4de50d142edca9d6a9b7e6111d8"
    },
    {
      "type": "WEB",
      "url": "https://bugs.chromium.org/p/project-zero/issues/detail?id=1589"
    },
    {
      "type": "WEB",
      "url": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.17.2"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3752-1"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3752-2"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3752-3"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/44944"
    },
    {
      "type": "WEB",
      "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=727ba748e110b4de50d142edca9d6a9b7e6111d8"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2018-12904 (GCVE-0-2018-12904)

Vulnerability from cvelistv5 – Published: 2018-06-27 11:00 – Updated: 2024-08-05 08:45

Summary

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://usn.ubuntu.com/3752-2/	vendor-advisoryx_refsource_UBUNTU
	https://github.com/torvalds/linux/commit/727ba748…	x_refsource_MISC
	https://usn.ubuntu.com/3752-3/	vendor-advisoryx_refsource_UBUNTU
	https://cdn.kernel.org/pub/linux/kernel/v4.x/Chan…	x_refsource_MISC
	https://bugs.chromium.org/p/project-zero/issues/d…	x_refsource_MISC
	http://git.kernel.org/cgit/linux/kernel/git/torva…	x_refsource_MISC
	https://usn.ubuntu.com/3752-1/	vendor-advisoryx_refsource_UBUNTU
	https://www.exploit-db.com/exploits/44944/	exploitx_refsource_EXPLOIT-DB

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-VX6H-CQMQ-QJ84

CVE-2018-12904 (GCVE-0-2018-12904)

Tags

Sightings

Nomenclature