CVEs-PoC/2014/CVE-2014-8481.md

CVE-2014-8481

Description

The instruction decoder in arch/x86/kvm/emulate.c in the KVM subsystem in the Linux kernel before 3.18-rc2 does not properly handle invalid instructions, which allows guest OS users to cause a denial of service (NULL pointer dereference and host OS crash) via a crafted application that triggers (1) an improperly fetched instruction or (2) an instruction that occupies too many bytes. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-8480.

POC

Reference

• http://www.openwall.com/lists/oss-security/2014/10/23/7
• http://www.openwall.com/lists/oss-security/2014/10/23/7

Github

No PoCs found on GitHub currently.