CVE-2023-52556CWE-367

OpenBSD 7.4 pf state race condition kernel crash

Medium · published March 1, 2024

CVSS v3.1
6.2
EPSS
0%
Percentile
3.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.2 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00143 · 3.2th percentile
Weakness
CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition
Published
2024-03-01T16:08Z
EPSS history
Timeline
  • 01 MAR 16:08Z
    OpenBSD 7.4 pf state race condition kernel crash
    cvelistv5