CWE
367 362
Advisory Published
Updated

CVE-2023-52556: OpenBSD 7.4 pf state race condition kernel crash

First published: Fri Mar 01 2024(Updated: )

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.

Credit: 9119a7d8-5eab-497f-8521-727c672e3725

Affected SoftwareAffected VersionHow to fix
OpenBSD<7.4

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Frequently Asked Questions

  • What is the severity of CVE-2023-52556?

    CVE-2023-52556 has a high severity rating due to its potential to cause kernel panic.

  • How do I fix CVE-2023-52556?

    To fix CVE-2023-52556, apply the errata patch 009 provided by OpenBSD for version 7.4.

  • What systems are affected by CVE-2023-52556?

    CVE-2023-52556 affects OpenBSD 7.4 before errata 009.

  • What type of vulnerability is CVE-2023-52556?

    CVE-2023-52556 is a race condition vulnerability in pf(4) processing.

  • What are the potential consequences of CVE-2023-52556?

    The potential consequences of CVE-2023-52556 include system instability leading to kernel panic.

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