Entreprise d'experts en Sécurité Informatique : Audits et conseils en cybersécurité
Entreprise française de cybersécurité depuis 2004
☎ 03 60 47 09 81 - info@securiteinfo.com


CVE-2014-7842

Description

Race condition in arch/x86/kvm/x86.c in the Linux kernel before 3.17.4 allows guest OS users to cause a denial of service (guest OS crash) via a crafted application that performs an MMIO transaction or a PIO transaction to trigger a guest userspace emulation error report, a similar issue to CVE-2010-5313.

POC

Reference

- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html

- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html

- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html

- https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.17.4

Github

No PoCs found on GitHub currently.