CVE-2014-3471
Published: 26 June 2014
Use-after-free vulnerability in hw/pci/pcie.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (QEMU instance crash) via hotplug and hotunplug operations of Virtio block devices.
Notes
Author | Note |
---|---|
jdstrand | 12.04 LTS and 13.10 do not have pcie hot unplug support 10.04 LTS does not have pcie.c |
Priority
Status
Package | Release | Status |
---|---|---|
qemu Launchpad, Ubuntu, Debian |
lucid |
Does not exist
|
precise |
Does not exist
|
|
saucy |
Not vulnerable
(code-not-present)
|
|
trusty |
Released
(2.0.0+dfsg-2ubuntu1.3)
|
|
upstream |
Needs triage
|
|
Patches: upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=554f802da3f8b09b16b9a84ad5847b2eb0e9ad2b |
||
qemu-kvm Launchpad, Ubuntu, Debian |
lucid |
Not vulnerable
(code-not-present)
|
precise |
Not vulnerable
(code-not-present)
|
|
saucy |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
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:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |