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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

AuthorNote
jdstrand
12.04 LTS and 13.10 do not have pcie hot unplug support
10.04 LTS does not have pcie.c

Priority

Medium

Cvss 3 Severity Score

5.5

Score breakdown

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