CVE-2015-8818 Information

Description

The cpu_physical_memory_write_rom_internal function in exec.c in QEMU (aka Quick Emulator) does not properly skip MMIO regions which allows local privileged guest users to cause a denial of service (guest crash) via unspecified vectors.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Reference

http://git.qemu.org/?p=qemu.git;a=commit;h=b242e0e0e2969c044a318e56f7988bbd84de1f63 http://rhn.redhat.com/errata/RHSA-2016-2670.html http://rhn.redhat.com/errata/RHSA-2016-2671.html http://rhn.redhat.com/errata/RHSA-2016-2704.html http://rhn.redhat.com/errata/RHSA-2016-2705.html http://rhn.redhat.com/errata/RHSA-2016-2706.html http://www.openwall.com/lists/oss-security/2016/03/01/1 http://www.openwall.com/lists/oss-security/2016/03/01/10 https://bugzilla.redhat.com/show_bug.cgi?id=1300771

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5