VulnerabilityAnalyzed
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.
MEDIUM 6.2EPSS 0.14%
Does this matter?
Lower severity and a low EPSS score (0.14%). Track it; it rarely justifies an emergency change on its own.
Description
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 3.1
- 6.2 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.14% probability · 4th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-367
- Affected
- openbsd/openbsd
- Source
- 9119a7d8-5eab-497f-8521-727c672e3725
References
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/009_pf.patch.sigPatch
- https://github.com/openbsd/src/commit/9d9f4dc6c833cb79d13f836581e3a781d06842e7Patch
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/009_pf.patch.sigPatch
- https://github.com/openbsd/src/commit/9d9f4dc6c833cb79d13f836581e3a781d06842e7Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.