CVE-2014-0998
Description
Integer signedness error in the vt console driver (formerly Newcons) in FreeBSD 9.3 before p10 and 10.1 before p6 allows local users to cause a denial of service (crash) and possibly gain privileges via a negative value in a VT_WAITACTIVE ioctl call, which triggers an array index error and out-of-bounds kernel memory access.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
OS impact
FreeBSD Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| 10.1 | Affected | — |
References
- http://seclists.org/fulldisclosure/2015/Jan/107
- http://www.coresecurity.com/advisories/freebsd-kernel-multiple-vulnerabilities
- http://www.securityfocus.com/archive/1/534563/100/0/threaded
- https://www.freebsd.org/security/advisories/FreeBSD-EN-15:01.vt.asc
- http://seclists.org/fulldisclosure/2015/Jan/107
- http://www.coresecurity.com/advisories/freebsd-kernel-multiple-vulnerabilities
- http://www.securityfocus.com/archive/1/534563/100/0/threaded
- https://www.freebsd.org/security/advisories/FreeBSD-EN-15:01.vt.asc
CWEs
CWE-189
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.