CVE-2016-9913
medium
CVSS v3
6.5
CVSS v2
4.9
VIR risk
6.5
Description
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.
Predictions
Exploit likelihood
65%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-9913
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2016-9913.html
Vendor advisory: secalert@redhat.com — https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg03278.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 1:2.8+dfsg-1 |
| debian | bullseye | fixed | 1:2.8+dfsg-1 |
| debian | forky | fixed | 1:2.8+dfsg-1 |
| debian | sid | fixed | 1:2.8+dfsg-1 |
| debian | trixie | fixed | 1:2.8+dfsg-1 |
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=4774718e5c194026ba5ee7a28d9be49be3080e42
- http://www.openwall.com/lists/oss-security/2016/12/06/11
- http://www.openwall.com/lists/oss-security/2016/12/08/7
- http://www.securityfocus.com/bid/94729
- https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg03278.html
- https://security.gentoo.org/glsa/201701-49
- https://www.suse.com/security/cve/CVE-2016-9913.html
- https://security-tracker.debian.org/tracker/CVE-2016-9913
CWEs
CWE-401
Verify integrity in audit chain (admin only). AS-IS.