6.2

CVE-2023-52556

OpenBSD 7.4 pf state race condition kernel crash

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Openbsd ≫ Openbsd Version < 7.4
Openbsd ≫ Openbsd Version7.4 Update-
Openbsd ≫ Openbsd Version7.4 Updateerrata_001
Openbsd ≫ Openbsd Version7.4 Updateerrata_002
Openbsd ≫ Openbsd Version7.4 Updateerrata_003
Openbsd ≫ Openbsd Version7.4 Updateerrata_004
Openbsd ≫ Openbsd Version7.4 Updateerrata_005
Openbsd ≫ Openbsd Version7.4 Updateerrata_006
Openbsd ≫ Openbsd Version7.4 Updateerrata_007
Openbsd ≫ Openbsd Version7.4 Updateerrata_008
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.14% 0.039
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
134c704f-9b21-4f2e-91b3-4a467353bcc0 6.2 2.5 3.6
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check.

https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/009_pf.patch.sig
Patch
https://github.com/openbsd/src/commit/9d9f4dc6c833cb79d13f836581e3a781d06842e7
Patch