CVE-2016-8578

MEDIUM

QEMU < 2.7.1 - Denial of Service via Empty String Parameter in 9P Operation

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)

Core 7

Core References

Mailing List, Third Party Advisory mailing-list x_refsource_mlist

http://www.openwall.com/lists/oss-security/2016/10/10/14

Mailing List, Third Party Advisory mailing-list x_refsource_mlist

http://www.openwall.com/lists/oss-security/2016/10/10/8

Third Party Advisory vendor-advisory x_refsource_gentoo

https://security.gentoo.org/glsa/201611-11

Mailing List, Third Party Advisory vendor-advisory x_refsource_suse

http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/93474

Mailing List, Third Party Advisory mailing-list x_refsource_mlist

https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html

Patch, Third Party Advisory mailing-list x_refsource_mlist

https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg07143.html

Scores

CVSS v3 6.0

EPSS 0.0011

EPSS Percentile 29.0%

Attack Vector LOCAL

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

Details

Status published

Products (3)

debian/debian_linux 8.0

opensuse/leap 42.2

qemu/qemu < 2.7.1

Published Nov 04, 2016

Tracked Since Feb 18, 2026