CVE-2016-9602

HIGH

Qemu < 2.9 - Privilege Escalation via VirtFS Link Following

Title source: llm
STIX 2.1

Description

Qemu before version 2.9 is vulnerable to an improper link following when built with the VirtFS. A privileged user inside guest could use this flaw to access host file system beyond the shared folder and potentially escalating their privileges on a host.

References (8)

Core 8
Core References
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.gnu.org/archive/html/qemu-devel/2017-02/msg04347.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1037604
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
Issue Tracking, Third Party Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9602
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2017/01/17/12
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.gnu.org/archive/html/qemu-devel/2017-01/msg06225.html
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201704-01
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/95461

Scores

CVSS v3 7.6
EPSS 0.0130
EPSS Percentile 80.0%
Attack Vector ADJACENT_NETWORK
CVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Details

CWE
CWE-59
Status published
Products (2)
debian/debian_linux 8.0
qemu/qemu < 2.9
Published Apr 26, 2018
Tracked Since Feb 18, 2026