github - ghsa-vq4v-m97r-fvvc

GHSA-VQ4V-M97R-FVVC

Vulnerability from github – Published: 2022-05-14 02:05 – Updated: 2022-05-14 02:05

Details

The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP).

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{
  "affected": [],
  "aliases": [
    "CVE-2014-8594"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2014-11-19T18:59:00Z",
    "severity": "MODERATE"
  },
  "details": "The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP).",
  "id": "GHSA-vq4v-m97r-fvvc",
  "modified": "2022-05-14T02:05:35Z",
  "published": "2022-05-14T02:05:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2014-8594"
    },
    {
      "type": "WEB",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/98767"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/201504-04"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html"
    },
    {
      "type": "WEB",
      "url": "http://secunia.com/advisories/62672"
    },
    {
      "type": "WEB",
      "url": "http://www.debian.org/security/2015/dsa-3140"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/71149"
    },
    {
      "type": "WEB",
      "url": "http://xenbits.xen.org/xsa/advisory-109.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2014-8594 (GCVE-0-2014-8594)

Vulnerability from cvelistv5 – Published: 2014-11-19 18:00 – Updated: 2024-08-06 13:25

Summary

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://security.gentoo.org/glsa/201504-04	vendor-advisoryx_refsource_GENTOO
	http://secunia.com/advisories/62672	third-party-advisoryx_refsource_SECUNIA
	http://xenbits.xen.org/xsa/advisory-109.html	x_refsource_CONFIRM
	http://www.securityfocus.com/bid/71149	vdb-entryx_refsource_BID
	http://www.debian.org/security/2015/dsa-3140	vendor-advisoryx_refsource_DEBIAN
	http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
	http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
	https://exchange.xforce.ibmcloud.com/vulnerabilit…	vdb-entryx_refsource_XF

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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-VQ4V-M97R-FVVC

CVE-2014-8594 (GCVE-0-2014-8594)

Tags

Sightings

Nomenclature