UBUNTU-CVE-2018-7550

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2018-7550
Downstream
USN-3649-1
Published: 01 Mar 2018, 00:00
Last modified:04 Feb 2026, 03:05

Vulnerability Summary

Overall Risk (default)
medium
35/100
CVSS Score
8.8 HIGH
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

01 Mar 2018, 00:00
Published
Vulnerability first disclosed
04 Feb 2026, 03:05
Last Modified
Vulnerability information updated

Description

The load_multiboot function in hw/i386/multiboot.c in Quick Emulator (aka QEMU) allows local guest OS users to execute arbitrary code on the QEMU host via a mh_load_end_addr value greater than mh_bss_end_addr, which triggers an out-of-bounds read or write memory access.

CVSS Metrics

  • v3.1•HIGH•Score: 8.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  • v3.0•HIGH•Score: 8.8CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected Systems

  • ubuntu•qemu

    < 2.0.0+dfsg-2ubuntu1.41 | < 1:2.5+dfsg-5ubuntu10.28 | < 1:2.11+dfsg-1ubuntu7.1

References (4)