github - ghsa-7p47-wfc3-mcqv

ghsa-7p47-wfc3-mcqv

Vulnerability from github

Published

2022-05-24 17:35

Modified

2022-08-07 00:00

Severity ?

6.0 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

Details

A flaw was found in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds write access to the MSI-X table while performing MMIO operations. A guest user may abuse this flaw to crash the QEMU process on the host, resulting in a denial of service. This flaw affects QEMU versions prior to 5.2.0.

Show details on source website

JSON

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{
   affected: [],
   aliases: [
      "CVE-2020-27821",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-787",
      ],
      github_reviewed: false,
      github_reviewed_at: null,
      nvd_published_at: "2020-12-08T22:15:00Z",
      severity: "MODERATE",
   },
   details: "A flaw was found in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds write access to the MSI-X table while performing MMIO operations. A guest user may abuse this flaw to crash the QEMU process on the host, resulting in a denial of service. This flaw affects QEMU versions prior to 5.2.0.",
   id: "GHSA-7p47-wfc3-mcqv",
   modified: "2022-08-07T00:00:29Z",
   published: "2022-05-24T17:35:40Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2020-27821",
      },
      {
         type: "WEB",
         url: "https://bugzilla.redhat.com/show_bug.cgi?id=1902651",
      },
      {
         type: "WEB",
         url: "https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html",
      },
      {
         type: "WEB",
         url: "https://security.netapp.com/advisory/ntap-20210115-0006",
      },
      {
         type: "WEB",
         url: "http://www.openwall.com/lists/oss-security/2020/12/16/6",
      },
   ],
   schema_version: "1.4.0",
   severity: [
      {
         score: "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H",
         type: "CVSS_V3",
      },
   ],
}

cve-2020-27821

Vulnerability from cvelistv5

Published

2020-12-08 21:33

Modified

2024-08-04 16:25

Severity ?

Summary

References

▼	URL	Tags
	https://bugzilla.redhat.com/show_bug.cgi?id=1902651	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2020/12/16/6	mailing-list, x_refsource_MLIST
	https://security.netapp.com/advisory/ntap-20210115-0006/	x_refsource_CONFIRM
	https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html	mailing-list, x_refsource_MLIST

Impacted products

	Vendor	Product	Version
	n/a	QEMU	Version: prior to 5.2.0

Show details on NVD website

JSON

To clipboard

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All sightings related to this event Export sightings related to this event

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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