CVE-2018-7858
MEDIUM
5.5
CVSS Score
Published: March 12, 2018 at 09:00 PM UTC
Updated: June 17, 2026 at 02:03 AM UTC
9 products affected across 4 vendorsUbuntu LinuxEnterprise Linux DesktopLeap
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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.6%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Ubuntu Linux· Canonicalrubygems
95%Leap· openSUSEdrupal
95%95%
Enterprise Linux Server· Red Hatrubygems
95%95%
95%
95%
95%
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (9)
Vendor Advisoryx_refsource_SUSEMailing ListRelease NotesThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.htmlMailing Listx_refsource_MLISTPatchThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2018/03/09/1VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/103350Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2018:1369Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2018:1416Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2018:2162x_refsource_CONFIRMIssue TrackingThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1553402Mailing Listx_refsource_MLISTPatchVendor Advisory
Source: [email protected]
https://lists.nongnu.org/archive/html/qemu-devel/2018-03/msg02174.htmlCVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-125
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