github - ghsa-qwxp-946x-p86v

GHSA-QWXP-946X-P86V

Vulnerability from github – Published: 2022-05-13 01:50 – Updated: 2022-05-13 01:50

Details

An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because TLB flushes do not always occur after IOMMU mapping changes.

Severity ?

7.8 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2018-19961"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-459"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-12-08T04:29:00Z",
    "severity": "HIGH"
  },
  "details": "An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because TLB flushes do not always occur after IOMMU mapping changes.",
  "id": "GHSA-qwxp-946x-p86v",
  "modified": "2022-05-13T01:50:54Z",
  "published": "2022-05-13T01:50:54Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-19961"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2019/10/msg00008.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT"
    },
    {
      "type": "WEB",
      "url": "https://support.citrix.com/article/CTX239432"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2019/dsa-4369"
    },
    {
      "type": "WEB",
      "url": "https://xenbits.xen.org/xsa/advisory-275.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/106182"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2018-19961 (GCVE-0-2018-19961)

Vulnerability from cvelistv5 – Published: 2018-12-08 04:00 – Updated: 2024-08-05 11:51

Summary

An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because TLB flushes do not always occur after IOMMU mapping changes.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://support.citrix.com/article/CTX239432	x_refsource_CONFIRM
	https://www.debian.org/security/2019/dsa-4369	vendor-advisoryx_refsource_DEBIAN
	http://www.securityfocus.com/bid/106182	vdb-entryx_refsource_BID
	https://xenbits.xen.org/xsa/advisory-275.html	x_refsource_MISC
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
	http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
	https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST

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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.

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GHSA-QWXP-946X-P86V

CVE-2018-19961 (GCVE-0-2018-19961)

Tags

Sightings

Nomenclature