github - ghsa-8hpj-w92q-gf6m

GHSA-8HPJ-W92Q-GF6M

Vulnerability from github – Published: 2022-05-24 19:03 – Updated: 2022-05-24 19:03

Details

A flaw was found in the Linux kernel's implementation of string matching within a packet. A privileged user (with root or CAP_NET_ADMIN) when inserting iptables rules could insert a rule which can panic the system. Kernel before kernel 5.5-rc1 is affected.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-20177"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-125"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-05-26T21:15:00Z",
    "severity": "MODERATE"
  },
  "details": "A flaw was found in the Linux kernel\u0027s implementation of string matching within a packet. A privileged user (with root or CAP_NET_ADMIN) when inserting iptables rules could insert a rule which can panic the system. Kernel before kernel 5.5-rc1 is affected.",
  "id": "GHSA-8hpj-w92q-gf6m",
  "modified": "2022-05-24T19:03:15Z",
  "published": "2022-05-24T19:03:15Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-20177"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1914719"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2021-20177 (GCVE-0-2021-20177)

Vulnerability from cvelistv5 – Published: 2021-05-26 20:48 – Updated: 2024-08-03 17:30

Summary

Severity ?

No CVSS data available.

CWE

CWE-125

Assigner

redhat

References

URL

Tags

https://bugzilla.redhat.com/show_bug.cgi?id=1914719

x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	kernel	Affected: kernel 5.5-rc1

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          "dateUpdated": "2024-08-03T17:30:07.528Z",
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            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1914719"
          }
        ],
        "title": "CVE Program Container"
      }
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    "cna": {
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          "vendor": "n/a",
          "versions": [
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        }
      ],
      "problemTypes": [
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          "ID": "CVE-2021-20177",
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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-8HPJ-W92Q-GF6M

CVE-2021-20177 (GCVE-0-2021-20177)

Tags

Sightings

Nomenclature