VulnerabilityModified

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.

MEDIUM 5.0EPSS 0.40%

Does this matter?

Lower severity and a low EPSS score (0.40%). Track it; it rarely justifies an emergency change on its own.

Description

CVSS 3.1: 5.0 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
EPSS: 0.40% probability · 33th percentile
CISA KEV: Not listed
Weakness: CWE-476
Affected: qemu/qemu · canonical/ubuntu linux · debian/debian linux
Source: secalert@redhat.com

References

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.