2.1 Low
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
0.001 Low
EPSS
Percentile
26.7%
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.
Author | Note |
---|---|
tyhicks | privileged users inside the guest can trigger a DoS but they could also simply shut down the guest |
mdeslaur | in hw/usb-ohci.c in precise |
www.openwall.com/lists/oss-security/2016/02/16/2
launchpad.net/bugs/cve/CVE-2016-2391
lists.gnu.org/archive/html/qemu-devel/2016-02/msg03374.html
nvd.nist.gov/vuln/detail/CVE-2016-2391
security-tracker.debian.org/tracker/CVE-2016-2391
ubuntu.com/security/notices/USN-2974-1
www.cve.org/CVERecord?id=CVE-2016-2391
2.1 Low
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
0.001 Low
EPSS
Percentile
26.7%