Login Request a demo
Medium severity · published Mar 12, 2018
CVE-2018-7858
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…
5.5
CVSS
0.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EL
Enterprise Linux Desktop · Redhat
6.0; 7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
6.0; 7.0 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
7.6 · source: NVD
EL
Enterprise Linux Server Eus · Redhat
7.5; 7.6 · source: NVD
EL
Enterprise Linux Server Tus · Redhat
7.6 · source: NVD
EL
Enterprise Linux Workstation · Redhat
6.0; 7.0 · source: NVD
LE
Leap · Opensuse
42.3 · source: NVD
QE
Qemu · Qemu
through 2.11.2 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 18.04; 18.10 · source: NVD
Affected product
UL
Ubuntu Linux
Canonical
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-7858
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-7858
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html
Mailing List
http://www.openwall.com/lists/oss-security/2018/03/09/1
Third Party Advisory
http://www.securityfocus.com/bid/103350
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1369
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1416
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2162
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