ubuntu-cve-2022-29021
Vulnerability from osv_ubuntu
Published
2022-05-20 13:15
Modified
2025-10-24 04:53
Summary
Details

A buffer overflow vulnerability exists in the razerkbd driver of OpenRazer up to version v3.3.0 allows attackers to cause a Denial of Service (DoS) and possibly escalate their privileges via a crafted buffer sent to the matrix_custom_frame device.

Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "openrazer-daemon",
            "binary_version": "2.5.0+dfsg-1ubuntu2"
          },
          {
            "binary_name": "openrazer-driver-dkms",
            "binary_version": "2.5.0+dfsg-1ubuntu2"
          },
          {
            "binary_name": "openrazer-meta",
            "binary_version": "2.5.0+dfsg-1ubuntu2"
          },
          {
            "binary_name": "python3-openrazer",
            "binary_version": "2.5.0+dfsg-1ubuntu2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "openrazer",
        "purl": "pkg:deb/ubuntu/openrazer@2.5.0+dfsg-1ubuntu2?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.5.0+dfsg-1ubuntu2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "openrazer-daemon",
            "binary_version": "3.2.0+dfsg-3"
          },
          {
            "binary_name": "openrazer-driver-dkms",
            "binary_version": "3.2.0+dfsg-3"
          },
          {
            "binary_name": "openrazer-meta",
            "binary_version": "3.2.0+dfsg-3"
          },
          {
            "binary_name": "python3-openrazer",
            "binary_version": "3.2.0+dfsg-3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "openrazer",
        "purl": "pkg:deb/ubuntu/openrazer@3.2.0+dfsg-3?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.9.0+dfsg-1ubuntu1",
        "3.2.0+dfsg-3"
      ]
    }
  ],
  "aliases": [],
  "details": "A buffer overflow vulnerability exists in the razerkbd driver of OpenRazer up to version v3.3.0 allows attackers to cause a Denial of Service (DoS) and possibly escalate their privileges via a crafted buffer sent to the matrix_custom_frame device.",
  "id": "UBUNTU-CVE-2022-29021",
  "modified": "2025-10-24T04:53:38Z",
  "published": "2022-05-20T13:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-29021"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/openrazer/openrazer/pull/1790"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/openrazer/openrazer/commit/7e8a04feb378a679f1bcdcae079a5100cc45663b"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2022-29021"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2022-29021"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.