CVE-2026-49425
Kernel stack disclosure in 32-bit compatibility support
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-908 |
| Vendor | freebsd |
| Product | freebsd |
| Published | Aug 19, 2026 |
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Affected Versions
FreeBSD / FreeBSD
15.0-RELEASE < p11 14.4-RELEASE < p7 14.3-RELEASE < p16
References
Credits
Adam Crosser, Praetorian