CVE-2015-8558
Published: 16 December 2015
The ehci_process_itd 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 isochronous transfer descriptor (iTD) list.
Priority
Status
Package | Release | Status |
---|---|---|
qemu Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
trusty |
Released
(2.0.0+dfsg-2ubuntu1.22)
|
|
upstream |
Needs triage
|
|
vivid |
Ignored
(end of life)
|
|
wily |
Released
(1:2.3+dfsg-5ubuntu9.2)
|
|
Patches: upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=156a2e4dbffa85997636a7a39ef12da6f1b40254 |
||
qemu-kvm Launchpad, Ubuntu, Debian |
precise |
Released
(1.0+noroms-0ubuntu14.27)
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
vivid |
Does not exist
|
|
wily |
Does not exist
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.5 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | Low |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |