5.5

CVE-2026-49425

Kernel stack disclosure in 32-bit compatibility support

The compat32 kevent() handler translates a 64-bit kevent struct into a stack- declared 32-bit struct.  It did not first zero the stack struct.

An unprivileged user may observe a small amount of uninitialized kernel stack data, which may contain sensitive information.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Freebsd ≫ Freebsd Version 14.3 Update -
Freebsd ≫ Freebsd Version 14.3 Update p1
Freebsd ≫ Freebsd Version 14.3 Update p10
Freebsd ≫ Freebsd Version 14.3 Update p11
Freebsd ≫ Freebsd Version 14.3 Update p12
Freebsd ≫ Freebsd Version 14.3 Update p13
Freebsd ≫ Freebsd Version 14.3 Update p14
Freebsd ≫ Freebsd Version 14.3 Update p15
Freebsd ≫ Freebsd Version 14.3 Update p2
Freebsd ≫ Freebsd Version 14.3 Update p3
Freebsd ≫ Freebsd Version 14.3 Update p4
Freebsd ≫ Freebsd Version 14.3 Update p5
Freebsd ≫ Freebsd Version 14.3 Update p6
Freebsd ≫ Freebsd Version 14.3 Update p7
Freebsd ≫ Freebsd Version 14.3 Update p8
Freebsd ≫ Freebsd Version 14.3 Update p9
Freebsd ≫ Freebsd Version 14.4 Update -
Freebsd ≫ Freebsd Version 14.4 Update p1
Freebsd ≫ Freebsd Version 14.4 Update p2
Freebsd ≫ Freebsd Version 14.4 Update p3
Freebsd ≫ Freebsd Version 14.4 Update p4
Freebsd ≫ Freebsd Version 14.4 Update p5
Freebsd ≫ Freebsd Version 14.4 Update p6
Freebsd ≫ Freebsd Version 14.4 Update rc1
Freebsd ≫ Freebsd Version 15.0 Update -
Freebsd ≫ Freebsd Version 15.0 Update p1
Freebsd ≫ Freebsd Version 15.0 Update p10
Freebsd ≫ Freebsd Version 15.0 Update p2
Freebsd ≫ Freebsd Version 15.0 Update p3
Freebsd ≫ Freebsd Version 15.0 Update p4
Freebsd ≫ Freebsd Version 15.0 Update p5
Freebsd ≫ Freebsd Version 15.0 Update p6
Freebsd ≫ Freebsd Version 15.0 Update p7
Freebsd ≫ Freebsd Version 15.0 Update p8
Freebsd ≫ Freebsd Version 15.0 Update p9
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.15% 0.047
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
CISA-ADP 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE-908 Use of Uninitialized Resource

The product uses or accesses a resource that has not been initialized.

https://security.freebsd.org/advisories/FreeBSD-SA-26:48.compat32.asc
Vendor Advisory