CVE-2016-2392
medium
CVSS v3
6.5
CVSS v2
2.1
VIR risk
6.5
Description
The is_rndis function in the USB Net device emulator (hw/usb/dev-network.c) in QEMU before 2.5.1 does not properly validate USB configuration descriptor objects, which allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via vectors involving a remote NDIS control message packet.
Predictions
Exploit likelihood
65%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-2392
Vendor advisory: secalert@redhat.com — https://lists.gnu.org/archive/html/qemu-devel/2016-02/msg02553.html
Vendor advisory: secalert@redhat.com — http://lists.nongnu.org/archive/html/qemu-stable/2016-03/msg00064.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| ubuntu | 12.04 | affected | |
| ubuntu | 14.04 | affected | |
| ubuntu | 15.10 | affected | |
| ubuntu | 16.04 | affected | |
| debian | bookworm | fixed | 1:2.6+dfsg-1 |
| debian | bullseye | fixed | 1:2.6+dfsg-1 |
| debian | forky | fixed | 1:2.6+dfsg-1 |
| debian | sid | fixed | 1:2.6+dfsg-1 |
| debian | trixie | fixed | 1:2.6+dfsg-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| qemu | qemu | 2.5.0 | |
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=80eecda8e5d09c442c24307f340840a5b70ea3b9
- http://lists.nongnu.org/archive/html/qemu-stable/2016-03/msg00064.html
- http://www.openwall.com/lists/oss-security/2016/02/16/7
- http://www.securityfocus.com/bid/83274
- http://www.ubuntu.com/usn/USN-2974-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1302299
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
- https://lists.gnu.org/archive/html/qemu-devel/2016-02/msg02553.html
- https://security.gentoo.org/glsa/201604-01
- https://security-tracker.debian.org/tracker/CVE-2016-2392
Verify integrity in audit chain (admin only). AS-IS.