Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2016-9923

Quick Emulator (Qemu) built with the 'chardev' backend support is vulnerable to a use after free issue. It could occur while hotplug and unplugging the device in the guest. A guest user/process could use this flaw to crash a Qemu process on the host resulting in DoS.

Published

2016-12-23T22:59:00.580

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:N/I:N/A:P

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

3.9

Impact Score

2.9

Weaknesses

Type: Primary
CWE-416

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	qemu	qemu	≤ 2.7.1	Yes

References

http://www.openwall.com/lists/oss-security/2016/12/09/2 Mailing List, Patch, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/94827 Third Party Advisory, VDB Entry ([email protected])
https://security.gentoo.org/glsa/201701-49 Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2016/12/09/2 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/94827 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201701-49 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)