CVE-2021-4204 (GCVE-0-2021-4204)

Vulnerability from cvelistv5 – Published: 2022-08-24 00:00 – Updated: 2024-08-03 17:16
VLAI?
Summary
An out-of-bounds (OOB) memory access flaw was found in the Linux kernel's eBPF due to an Improper Input Validation. This flaw allows a local attacker with a special privilege to crash the system or leak internal information.
Severity ?
No CVSS data available.
CWE
  • CWE-20 - - Improper Input Validation
Assigner
References
Impacted products
Vendor Product Version
n/a kernel Affected: Affects Linux kernel v5.8 or later
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:16:04.362Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2039178"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://access.redhat.com/security/cve/CVE-2021-4204"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.openwall.com/lists/oss-security/2022/01/11/4"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security-tracker.debian.org/tracker/CVE-2021-4204"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20221228-0003/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "kernel",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Affects Linux kernel v5.8 or later"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An out-of-bounds (OOB) memory access flaw was found in the Linux kernel\u0027s eBPF due to an Improper Input Validation. This flaw allows a local attacker with a special privilege to crash the system or leak internal information."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-20",
              "description": "CWE-20 - Improper Input Validation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-12-28T00:00:00.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2039178"
        },
        {
          "url": "https://access.redhat.com/security/cve/CVE-2021-4204"
        },
        {
          "url": "https://www.openwall.com/lists/oss-security/2022/01/11/4"
        },
        {
          "url": "https://security-tracker.debian.org/tracker/CVE-2021-4204"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20221228-0003/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2021-4204",
    "datePublished": "2022-08-24T00:00:00.000Z",
    "dateReserved": "2022-01-11T00:00:00.000Z",
    "dateUpdated": "2024-08-03T17:16:04.362Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.