CVE-2021-20177

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Source
https://cve.org/CVERecord?id=CVE-2021-20177
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-20177.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-20177
Downstream
Related
Published
2021-05-26T21:15:08.157Z
Modified
2026-03-10T23:23:32.232836Z
Severity
  • 4.4 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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

References

Affected packages

Git /

Affected ranges

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-20177.json"
unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "5.4.9"
            }
        ]
    }
]