CVE-2017-17381
Published: 6 December 2017
The Virtio Vring implementation in QEMU allows local OS guest users to cause a denial of service (divide-by-zero error and QEMU process crash) by unsetting vring alignment while updating Virtio rings.
Notes
| Author | Note |
|---|---|
| mdeslaur | trusty doesn't look affected |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
qemu Launchpad, Ubuntu, Debian |
artful |
Released
(1:2.10+dfsg-0ubuntu3.5)
|
| trusty |
Not vulnerable
(code not present)
|
|
| upstream |
Needs triage
|
|
| xenial |
Released
(1:2.5+dfsg-5ubuntu10.22)
|
|
| zesty |
Ignored
(end of life)
|
|
|
Patches: upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=758ead31c7e17bf17a9ef2e0ca1c3e86ab296b43 |
||
|
qemu-kvm Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
| zesty |
Does not exist
|
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.5 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Changed |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |