NULL Pointer Dereference Affecting qemu package, versions <2.0.0+dfsg-2ubuntu1.24
Threat Intelligence
EPSS
0.06% (28th
percentile)
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Test your applications- Snyk ID SNYK-UBUNTU1404-QEMU-428139
- published 16 Jun 2016
- disclosed 16 Jun 2016
Introduced: 16 Jun 2016
CVE-2016-2391 Open this link in a new tabHow to fix?
Upgrade Ubuntu:14.04 qemu to version 2.0.0+dfsg-2ubuntu1.24 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu package and not the qemu package as distributed by Ubuntu.
See How to fix? for Ubuntu:14.04 relevant fixed versions and status.
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
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-2391
- http://git.qemu.org/?p=qemu.git;a=commit;h=fa1298c2d623522eda7b4f1f721fcb935abb7360
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
- https://security-tracker.debian.org/tracker/CVE-2016-2391
- https://lists.gnu.org/archive/html/qemu-devel/2016-02/msg03374.html
- http://www.openwall.com/lists/oss-security/2016/02/16/2
- https://bugzilla.redhat.com/show_bug.cgi?id=1304794
- http://www.securityfocus.com/bid/83263
- http://www.ubuntu.com/usn/USN-2974-1
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=fa1298c2d623522eda7b4f1f721fcb935abb7360
CVSS Scores
version 3.1