CVE-2020-13754

2020-06-0200:00:00

ubuntu.com

6.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

0.0004 Low

EPSS

Percentile

13.3%

JSON

hw/pci/msix.c in QEMU 4.2.0 allows guest OS users to trigger an
out-of-bounds access via a crafted address in an msi-x mmio operation.

Notes

Author	Note
mdeslaur	the fix for this issue introduced a regression, see: https://bugs.launchpad.net/qemu/+bug/1886318

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchqemu< 1:2.11+dfsg-1ubuntu7.31UNKNOWN
ubuntu20.04noarchqemu< 1:4.2-3ubuntu6.4UNKNOWN
ubuntu14.04noarchqemu< 2.0.0+dfsg-2ubuntu1.47+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchqemu< 1:2.5+dfsg-5ubuntu10.45UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	qemu	< 1:2.11+dfsg-1ubuntu7.31	UNKNOWN
ubuntu	20.04	noarch	qemu	< 1:4.2-3ubuntu6.4	UNKNOWN
ubuntu	14.04	noarch	qemu	< 2.0.0+dfsg-2ubuntu1.47+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only	UNKNOWN
ubuntu	16.04	noarch	qemu	< 1:2.5+dfsg-5ubuntu10.45	UNKNOWN