CVE-2016-2391

MEDIUM

Qemu < 2.5.1.1 - NULL Pointer Dereference

Title source: rule

Description

The ohci_bus_start function in the USB OHCI emulation support (hw/usb/hcd-ohci.c) in QEMU allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via vectors related to multiple eof_timers.

References (7)

[Patch] http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=fa1298c2d623522eda7b4f1f721fcb935abb7360

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/02/16/2

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/83263

[Third Party Advisory] http://www.ubuntu.com/usn/USN-2974-1

[Issue Tracking, Patch, Third Party Advisory] https://bugzilla.redhat.com/show_bug.cgi?id=1304794

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html

[Patch, Third Party Advisory] https://lists.gnu.org/archive/html/qemu-devel/2016-02/msg03374.html

Scores

CVSS v3 5.0

EPSS 0.0005

EPSS Percentile 16.2%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

Classification

CWE

CWE-476

Status draft

Affected Products (6)

qemu/qemu < 2.5.1.1

canonical/ubuntu_linux

debian/debian_linux

Timeline

Published Jun 16, 2016

Tracked Since Feb 18, 2026