CVE-2015-8818

MEDIUM

Qemu < 2.3.1 - Denial of Service

Title source: rule

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.

References (9)

[Patch] http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=b242e0e0e2969c044a318e56f7988bbd84de1f63

[Third Party Advisory] http://rhn.redhat.com/errata/RHSA-2016-2670.html

[Third Party Advisory] http://rhn.redhat.com/errata/RHSA-2016-2671.html

[Third Party Advisory] http://rhn.redhat.com/errata/RHSA-2016-2704.html

[Third Party Advisory] http://rhn.redhat.com/errata/RHSA-2016-2705.html

[Third Party Advisory] http://rhn.redhat.com/errata/RHSA-2016-2706.html

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/03/01/1

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/03/01/10

[Issue Tracking] https://bugzilla.redhat.com/show_bug.cgi?id=1300771

Scores

CVSS v3 5.5

EPSS 0.0009

EPSS Percentile 26.2%

Attack Vector LOCAL

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

Classification

Status published

Affected Products (2)

qemu/qemu < 2.3.1

n/a/n/a

Timeline

Published Dec 29, 2016

Tracked Since Feb 18, 2026