Race Condition in OpenBSD 7.4 May Cause Kernel Panic
CVE-2023-52556

Currently unrated

Key Information:

Vendor

OpenBSD
Status
OpenBSD
Vendor
CVE Published:
1 March 2024

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.

Affected Version(s)

OpenBSD 7.4

References

https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/00...
https://github.com/openbsd/src/commit/9d9f4dc6c833cb79d13...

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2023-52556 : Race Condition in OpenBSD 7.4 May Cause Kernel Panic