CVE-2018-7858
2.1 Low
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.2 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
26.9%
Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.
Affected configurations
References
lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html
www.openwall.com/lists/oss-security/2018/03/09/1
www.securityfocus.com/bid/103350
access.redhat.com/errata/RHSA-2018:1369
access.redhat.com/errata/RHSA-2018:1416
access.redhat.com/errata/RHSA-2018:2162
bugzilla.redhat.com/show_bug.cgi?id=1553402
lists.nongnu.org/archive/html/qemu-devel/2018-03/msg02174.html
usn.ubuntu.com/3649-1/
Related
2.1 Low
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.2 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
26.9%