CVE-2016-4037
Published: 20 April 2016
The ehci_advance_state function in hw/usb/hcd-ehci.c in QEMU allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) via a circular split isochronous transfer descriptor (siTD) list, a related issue to CVE-2015-8558.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
qemu Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
| trusty |
Released
(2.0.0+dfsg-2ubuntu1.24)
|
|
| upstream |
Needs triage
|
|
| wily |
Released
(1:2.3+dfsg-5ubuntu9.4)
|
|
| xenial |
Released
(1:2.5+dfsg-5ubuntu10.1)
|
|
|
Patches: upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=1ae3f2f178087711f9591350abad133525ba93f2 |
||
|
qemu-kvm Launchpad, Ubuntu, Debian |
precise |
Released
(1.0+noroms-0ubuntu14.28)
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| wily |
Does not exist
|
|
| xenial |
Does not exist
|
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.0 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | High |
| User interaction | None |
| Scope | Changed |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H |