Vulnerability Monitor

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CVE-2016-9913

Memory leak in the v9fs_device_unrealize_common function in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local privileged guest OS users to cause a denial of service (host memory consumption and possibly QEMU process crash) via vectors involving the order of resource cleanup.

Published

2016-12-29T22:59:00.620

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

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

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

Exploitability Score

3.9

Impact Score

6.9

Weaknesses

Type: Primary
CWE-401

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	qemu	qemu	≤ 2.7.1	Yes
Application	qemu	qemu	2.8.0	Yes
Application	qemu	qemu	2.8.0	Yes

References

http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=4774718e5c194026ba5ee7a28d9be49be3080e42 ([email protected])
http://www.openwall.com/lists/oss-security/2016/12/06/11 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2016/12/08/7 Mailing List, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/94729 Third Party Advisory, VDB Entry ([email protected])
https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg03278.html Patch, Vendor Advisory ([email protected])
https://security.gentoo.org/glsa/201701-49 Third Party Advisory ([email protected])
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=4774718e5c194026ba5ee7a28d9be49be3080e42 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2016/12/06/11 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2016/12/08/7 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/94729 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg03278.html Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201701-49 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)