CVE-2018-7858
Moderate
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 QEMU process crash) by leveraging incorrect region calculation when updating VGA display.
Exploit probability
0.6%
Published
March 12, 2018
Required by
Not available
Last source change
July 8, 2026
02 / AFFECTED SOFTWARE
Affected packages
137 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2018-7858
View original source
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.
05 / REFERENCES
Further evidence
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html
- http://www.openwall.com/lists/oss-security/2018/03/09/1
- http://www.securityfocus.com/bid/103350
- https://access.redhat.com/errata/RHSA-2018:1369
- https://access.redhat.com/errata/RHSA-2018:1416
- https://access.redhat.com/errata/RHSA-2018:2162
- https://bugzilla.redhat.com/show_bug.cgi?id=1553402
- https://lists.nongnu.org/archive/html/qemu-devel/2018-03/msg02174.html
- https://usn.ubuntu.com/3649-1/