Description (CNA)
In FreeBSD before 11.1-STABLE, 11.1-RELEASE-p4, 11.0-RELEASE-p15, 10.4-STABLE, 10.4-RELEASE-p3, and 10.3-RELEASE-p24, the kernel does not properly clear the memory of the kld_file_stat structure before filling the data. Since the structure filled by the kernel is allocated on the kernel stack and copied to userspace, a leak of information from the kernel stack is possible. As a result, some bytes from the kernel stack can be observed in userspace.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| FreeBSD / FreeBSD | affected All supported versions of FreeBSD |
CWE
No CWE identifiers supplied.
References
- http://www.securityfocus.com/bid/101857
- https://www.freebsd.org/security/advisories/FreeBSD-SA-17:10.kldstat.asc
- http://www.securitytracker.com/id/1039811
ADP enrichment
No English description supplied.