CVE-2023-52556

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.

CVSS v3 6.2 MEDIUM

6.2^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.5 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/009_pf.patch.sig	Patch
https://github.com/openbsd/src/commit/9d9f4dc6c833cb79d13f836581e3a781d06842e7	Patch
https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/009_pf.patch.sig	Patch
https://github.com/openbsd/src/commit/9d9f4dc6c833cb79d13f836581e3a781d06842e7	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:openbsd:openbsd::::::::
	cpe:2.3:o:openbsd:openbsd:7.4:-::::::
	cpe:2.3:o:openbsd:openbsd:7.4:errata_001::::::
	cpe:2.3:o:openbsd:openbsd:7.4:errata_002::::::
	cpe:2.3:o:openbsd:openbsd:7.4:errata_003::::::
	cpe:2.3:o:openbsd:openbsd:7.4:errata_004::::::
	cpe:2.3:o:openbsd:openbsd:7.4:errata_005::::::
	cpe:2.3:o:openbsd:openbsd:7.4:errata_006::::::
	cpe:2.3:o:openbsd:openbsd:7.4:errata_007::::::
	cpe:2.3:o:openbsd:openbsd:7.4:errata_008::::::

History

No history.

Information

Published : 2024-03-01 17:15

Updated : 2025-10-10 17:44

NVD link : CVE-2023-52556

Mitre link : CVE-2023-52556

CVE.ORG link : CVE-2023-52556

JSON object : View

Products Affected

openbsd

openbsd

CWE

CWE-367

Time-of-check Time-of-use (TOCTOU) Race Condition

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