Vigil@nce - Linux kernel: information disclosure via KVM em_x_far
December 2016 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer
SYNTHESIS OF THE VULNERABILITY
A local attacker can read a memory fragment via KVM
em_jmp_far()/em_ret_far() on the Linux kernel, in order to obtain
sensitive information.
– Impacted products: Fedora, Linux.
– Severity: 1/4.
– Creation date: 01/12/2016.
DESCRIPTION OF THE VULNERABILITY
A local attacker can read a memory fragment via KVM
em_jmp_far()/em_ret_far() on the Linux kernel, in order to obtain
sensitive information.
A detailed analysis was not performed for this bulletin.
ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/Linux-kernel-information-disclosure-via-KVM-em-x-far-21245