Description (CNA)
Integer signedness error in the genkbd_commonioctl function in sys/dev/kbd/kbd.c in FreeBSD 9.3 before p42, 10.1 before p34, 10.2 before p17, and 10.3 before p3 allows local users to obtain sensitive information from kernel memory, cause a denial of service (memory overwrite and kernel crash), or gain privileges via a negative value in the flen structure member in the arg argument in a SETFKEY ioctl call, which triggers a "two way heap and stack overflow."
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / n/a | affected n/a |
CWE
No CWE identifiers supplied.
References
- http://www.securitytracker.com/id/1035905
- http://www.securityfocus.com/bid/90734
- https://www.freebsd.org/security/advisories/FreeBSD-SA-16:18.atkbd.asc
- https://security.FreeBSD.org/patches/SA-16:18/atkbd.patch
- http://cturt.github.io/SETFKEY.html
ADP enrichment
No English description supplied.