Vulnerability-Lookup

GHSA-CGFP-G9XR-GJ33

Vulnerability from github – Published: 2022-05-04 00:00 – Updated: 2024-04-03 23:53

Details

The Security Team discovered an integer overflow bug that allows an attacker with code execution to issue memory cache invalidation operations on pages that they don’t own, allowing them to control kernel memory from userspace. We recommend upgrading to kernel version 4.1 or beyond.

Severity

7.8 (High)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2021-22556"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-190"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-05-03T16:15:00Z",
    "severity": "HIGH"
  },
  "details": "The Security Team discovered an integer overflow bug that allows an attacker with code execution to issue memory cache invalidation operations on pages that they don\u2019t own, allowing them to control kernel memory from userspace. We recommend upgrading to kernel version 4.1 or beyond.",
  "id": "GHSA-cgfp-g9xr-gj33",
  "modified": "2024-04-03T23:53:27Z",
  "published": "2022-05-04T00:00:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-22556"
    },
    {
      "type": "WEB",
      "url": "https://fuchsia-review.googlesource.com/c/fuchsia/+/570881"
    },
    {
      "type": "WEB",
      "url": "https://fuchsia.dev/whats-new/release-notes/f4-1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-22556 (GCVE-0-2021-22556)

Vulnerability from cvelistv5 – Published: 2022-05-03 15:50 – Updated: 2025-04-21 13:54

Title

Integer Overflow in Fuchsia Kernel

Summary

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-21 13:36 UTC

CWE

CWE-190 - Integer Overflow or Wraparound

Assigner

Google CNA under the Google root

CNA scorecard B 77/100 over 40 records in the last 180 days details

References

2 references

URL	Tags
https://fuchsia.dev/whats-new/release-notes/f4-1	x_refsource_MISC
https://fuchsia-review.googlesource.com/c/fuchsia…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Google LLC	Fuchsia Kernel	Affected: unspecified , < 4.1 (custom)

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JSON

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Sightings

Author	Source	Type	Date	Other

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.

Vulnerability timeline

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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