github - ghsa-cgfp-g9xr-gj33

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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JSON

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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

Summary

Severity ?

5.3 (Medium)


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

CWE

CWE-190 - Integer Overflow or Wraparound

Assigner

Google

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

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

Show details on NVD website

JSON

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                "timestamp": "2025-04-21T13:36:25.693251Z",
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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-CGFP-G9XR-GJ33

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

Tags

Sightings

Nomenclature