CVE-2016-9102

LOW

Description

Memory leak in the v9fs_xattrcreate function in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (memory consumption and QEMU process crash) via a large number of Txattrcreate messages with the same fid number.

References

http://git.qemu.org/?p=qemu.git;a=commit;h=ff55e94d23ae94c8628b0115320157c763eb3e06

http://www.openwall.com/lists/oss-security/2016/10/27/15

http://www.openwall.com/lists/oss-security/2016/10/30/6

http://www.securityfocus.com/bid/93962

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

https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg01861.html

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

Details

Source: MITRE

Published: 2016-12-09

Updated: 2018-12-01

Type: CWE-399

Risk Information

CVSS v2.0

Base Score: 2.1

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

Impact Score: 2.9

Exploitability Score: 3.9

Severity: LOW

CVSS v3.0

Base Score: 6

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

Impact Score: 4

Exploitability Score: 1.5

Severity: MEDIUM