CVE-2023-52556
MEDIUMCVSS 6.2/10EPSS 0.14%
Last modified
CVE-2023-52556 is a medium-severity vulnerability rated 6.2/10 on the CVSS scale. 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. . EPSS estimates a 0.14% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Openbsd | Openbsd | < 7.4 |
| Openbsd | Openbsd | 7.4 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is 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.
How severe is CVE-2023-52556?
CVE-2023-52556 has a CVSS score of 6.2/10 (MEDIUM severity). The EPSS model estimates a 0.14% probability of exploitation in the next 30 days.
How do I fix CVE-2023-52556?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2023-52556?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST