CVE-2018-7858
Summary
| CVE | CVE-2018-7858 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2018-03-12 21:29:00 UTC |
| Updated | 2020-11-10 18:54:00 UTC |
| 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. |
Risk And Classification
Problem Types: CWE-125
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Canonical | Ubuntu Linux | 14.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 16.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 18.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 18.10 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 14.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 16.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 18.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 18.10 | All | All | All |
| Operating System | Opensuse | Leap | 42.3 | All | All | All |
| Operating System | Opensuse | Leap | 42.3 | All | All | All |
| Application | Qemu | Qemu | All | All | All | All |
| Operating System | Redhat | Enterprise Linux Desktop | 6.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Desktop | 7.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Desktop | 6.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Desktop | 7.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Server | 6.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Server | 7.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Server | 6.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Server | 7.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Server Aus | 7.6 | All | All | All |
| Operating System | Redhat | Enterprise Linux Server Aus | 7.6 | All | All | All |
| Operating System | Redhat | Enterprise Linux Server Eus | 7.5 | All | All | All |
| Operating System | Redhat | Enterprise Linux Server Eus | 7.6 | All | All | All |
| Operating System | Redhat | Enterprise Linux Server Eus | 7.5 | All | All | All |
| Operating System | Redhat | Enterprise Linux Server Eus | 7.6 | All | All | All |
| Operating System | Redhat | Enterprise Linux Server Tus | 7.6 | All | All | All |
| Operating System | Redhat | Enterprise Linux Server Tus | 7.6 | All | All | All |
| Operating System | Redhat | Enterprise Linux Workstation | 6.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Workstation | 7.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Workstation | 6.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Workstation | 7.0 | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| USN-3649-1: QEMU vulnerabilities | Ubuntu security notices | UBUNTU | usn.ubuntu.com | Third Party Advisory |
| QEMU CVE-2018-7858 Denial of Service Vulnerability | BID | www.securityfocus.com | Third Party Advisory, VDB Entry |
| Red Hat Customer Portal | REDHAT | access.redhat.com | Third Party Advisory |
| [security-announce] openSUSE-SU-2019:1074-1: important: Security update | SUSE | lists.opensuse.org | Mailing List, Release Notes, Third Party Advisory |
| oss-security - CVE-2018-7858 Qemu: cirrus: OOB access when updating vga display | MLIST | www.openwall.com | Mailing List, Patch, Third Party Advisory |
| 1553402 – (CVE-2018-7858) CVE-2018-7858 QEMU: cirrus: OOB access when updating VGA display | CONFIRM | bugzilla.redhat.com | Issue Tracking, Third Party Advisory |
| Red Hat Customer Portal | REDHAT | access.redhat.com | Third Party Advisory |
| Red Hat Customer Portal | REDHAT | access.redhat.com | Third Party Advisory |
| [Qemu-devel] [PATCH] vga: fix region calculation | MLIST | lists.nongnu.org | Mailing List, Patch, Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 900063 CBL-Mariner Linux Security Update for qemu-kvm 4.2.0