CVE-2026-49425

EUVD-2026-62346
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 3.67%
Affected Products (NVD)
VendorProductVersion
freebsdfreebsd
14.3
freebsdfreebsd
14.3:p1
freebsdfreebsd
14.3:p10
freebsdfreebsd
14.3:p11
freebsdfreebsd
14.3:p12
freebsdfreebsd
14.3:p13
freebsdfreebsd
14.3:p14
freebsdfreebsd
14.3:p15
freebsdfreebsd
14.3:p2
freebsdfreebsd
14.3:p3
freebsdfreebsd
14.3:p4
freebsdfreebsd
14.3:p5
freebsdfreebsd
14.3:p6
freebsdfreebsd
14.3:p7
freebsdfreebsd
14.3:p8
freebsdfreebsd
14.3:p9
freebsdfreebsd
14.4
freebsdfreebsd
14.4:p1
freebsdfreebsd
14.4:p2
freebsdfreebsd
14.4:p3
freebsdfreebsd
14.4:p4
freebsdfreebsd
14.4:p5
freebsdfreebsd
14.4:p6
freebsdfreebsd
14.4:rc1
freebsdfreebsd
15.0
freebsdfreebsd
15.0:p1
freebsdfreebsd
15.0:p10
freebsdfreebsd
15.0:p2
freebsdfreebsd
15.0:p3
freebsdfreebsd
15.0:p4
freebsdfreebsd
15.0:p5
freebsdfreebsd
15.0:p6
freebsdfreebsd
15.0:p7
freebsdfreebsd
15.0:p8
freebsdfreebsd
15.0:p9
𝑥
= Vulnerable software versions