CVE-2016-2392

Severity: medium (CVSS 6.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-06-16 · updated 2026-06-17

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.

Affected products

Canonical Ubuntu Linux: 12.04, 14.04, 15.10, 16.04
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
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

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