CVE-2023-52556

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Source
https://cve.org/CVERecord?id=CVE-2023-52556
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52556.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-52556
Published
2024-03-01T16:08:49Z
Modified
2026-10-21T08:45:01Z
Severity
  • 6.2 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
OpenBSD 7.4 pf state race condition kernel crash
Details

In OpenBSD 7.4 before errata 009, a race condition between pf(4)'s processing of packets and expiration of packet states may cause a kernel panic.

Database specific 
{
    "cna_assigner":  "cisa-cg",
    "cwe_ids":  [
        "CWE-367"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52556.json",
    "unresolved_ranges":  [
        {
            "extracted_events":  [
                {
                    "range":  [
                        {
                            "introduced":  "7.4"
                        },
                        {
                            "fixed":  "7.4 errata 009"
                        }
                    ],
                    "source":  "AFFECTED_FIELD",
                    "strategy":  "StandardRange"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/openbsd/src

Affected ranges

Type
GIT
Repo
https://github.com/openbsd/src
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
9d9f4dc6c833cb79d13f836581e3a781d06842e7
Database specific
Show details 
{
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                }
            ],
            "source":  "REFERENCES_COMMIT"
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52556.json"
vanir_signatures 
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vanir_signatures_modified 
"2026-10-21T08:45:01Z"