oss-sec mailing list archives

CVE-2017-16845 Qemu: ps2: information leakage via post_load routine

From: P J P <ppandit () redhat com>
Date: Fri, 17 Nov 2017 11:14:21 +0530 (IST)

  Hello,

Quick Emulator(Qemu) built with the PS/2 keyboard and mouse emulation supportalong with the migration feature enabled is vulnerable to an informationleakage flaw. It could occur while loading a migrated snapshot on thedestination host in PS2 post_load routine.


A privileged user could use this flaw to leak destination host memory bytes.

Upstream patch:
---------------
  -> https://lists.gnu.org/archive/html/qemu-devel/2017-11/msg02982.html

This issue was reported by Cyrille Chatras of Orange.com.

Thank you.
--
Prasad J Pandit / Red Hat Product Security Team
47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F

Current thread:

CVE-2017-16845 Qemu: ps2: information leakage via post_load routine P J P (Nov 16)
- Re: CVE-2017-16845 Qemu: ps2: information leakage via post_load routine Ian Zimmerman (Nov 21)
  - Re: Re: CVE-2017-16845 Qemu: ps2: information leakage via post_load routine P J P (Nov 21)