5

CVE-2016-2391

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Qemu ≫ Qemu Version <= 2.5.1.1
Canonical ≫ Ubuntu Linux Version12.04 SwEditionesm
Canonical ≫ Ubuntu Linux Version14.04 SwEditionesm
Canonical ≫ Ubuntu Linux Version15.10
Canonical ≫ Ubuntu Linux Version16.04 SwEditionlts
Debian ≫ Debian Linux Version8.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.4% 0.316
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5 1.3 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
nvd@nist.gov 2.1 3.9 2.9
AV:L/AC:L/Au:N/C:N/I:N/A:P
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

http://www.ubuntu.com/usn/USN-2974-1
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
Third Party Advisory
Mailing List
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=fa1298c2d623522eda7b4f1f721fcb935abb7360
http://www.openwall.com/lists/oss-security/2016/02/16/2
Third Party Advisory
Mailing List
http://www.securityfocus.com/bid/83263
Third Party Advisory
VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1304794
Patch
Third Party Advisory
Issue Tracking
https://lists.gnu.org/archive/html/qemu-devel/2016-02/msg03374.html
Patch
Third Party Advisory