github - ghsa-jp8x-pjv8-649v

ghsa-jp8x-pjv8-649v

Vulnerability from github

Published

2022-05-12 00:01

Modified

2022-05-24 00:01

Severity ?

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

Details

A bug in AMD CPU’s core logic may allow for an attacker, using specific code from an unprivileged VM, to trigger a CPU core hang resulting in a potential denial of service. AMD believes the specific code includes a specific x86 instruction sequence that would not be generated by compilers.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-26339"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-05-11T17:15:00Z",
    "severity": "MODERATE"
  },
  "details": "A bug in AMD CPU\u2019s core logic may allow for an attacker, using specific code from an unprivileged VM, to trigger a CPU core hang resulting in a potential denial of service. AMD believes the specific code includes a specific x86 instruction sequence that would not be generated by compilers.",
  "id": "GHSA-jp8x-pjv8-649v",
  "modified": "2022-05-24T00:01:35Z",
  "published": "2022-05-12T00:01:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-26339"
    },
    {
      "type": "WEB",
      "url": "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027"
    },
    {
      "type": "WEB",
      "url": "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1028"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2021-26339

Vulnerability from cvelistv5

Published

2022-05-11 16:18

Modified

2024-09-17 01:56

Severity ?

Summary

References

▼	URL	Tags
	https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027	x_refsource_MISC
	https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1028	x_refsource_MISC

Impacted products

▼	Vendor	Product
	AMD	EPYC™ Processors
	AMD	Ryzen™ Series
	AMD	Athlon™ Series

Show details on NVD website

JSON

To clipboard

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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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