CVE-2021-33033

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Source
https://cve.org/CVERecord?id=CVE-2021-33033
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-33033.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-33033
Downstream
Related
Published
2021-05-14T23:15:09.780Z
Modified
2026-03-14T14:52:12.157568Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

The Linux kernel before 5.11.14 has a use-after-free in cipsov4genopt in net/ipv4/cipso_ipv4.c because the CIPSO and CALIPSO refcounting for the DOI definitions is mishandled, aka CID-ad5d07f4a9cd. This leads to writing an arbitrary value.

References

Affected packages

Git /

Affected ranges

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-33033.json"
unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "fixed": "5.11.14"
            }
        ]
    }
]