CVE-2016-8578

MEDIUM

QEMU - DoS

Title source: llm

Description

The v9fs_iov_vunmarshal function in fsdev/9p-iov-marshal.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) by sending an empty string parameter to a 9P operation.

References (7)

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/10/10/14

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/10/10/8

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/93474

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html

[Patch, Third Party Advisory] https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg07143.html

[Third Party Advisory] https://security.gentoo.org/glsa/201611-11

Scores

CVSS v3 6.0

EPSS 0.0011

EPSS Percentile 29.4%

Attack Vector LOCAL

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

Classification

Status published

Affected Products (4)

qemu/qemu < 2.7.1

opensuse/leap

debian/debian_linux

n/a/n/a

Timeline

Published Nov 04, 2016

Tracked Since Feb 18, 2026