01 Record

CVE-2018-7550

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

UnratedPUBLISHEDCNA: mitre

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 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

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 0.61% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 46.8% of scored records. A rank, not a probability.
NVD base score: 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2018-03-01 00:00Z8 YR AGO

Last updated

2024-08-05 06:31Z2 YR AGO

Reserved

2018-02-27

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-125Out-of-bounds ReadBase
CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

23e7d80e7141c0d0dc990252e2a8a7593ee94b8b5ce92fac4cf6c6dc35153c6f

05 Affected products

VendorProductVersionsPlatforms

canonicalubuntu_linuxNot specified—

debiandebian_linuxNot specified—

qemuqemuNot specified—

redhatenterprise_linuxNot specified—

redhatenterprise_linux_desktopNot specified—

redhatenterprise_linux_serverNot specified—

redhatenterprise_linux_server_ausNot specified—

redhatenterprise_linux_server_eusNot specified—

redhatenterprise_linux_server_tusNot specified—

redhatenterprise_linux_workstationNot specified—

redhatopenstackNot specified—

06 References

access.redhat.comRHSA-2018:1369https://access.redhat.com/errata/RHSA-2018:1369vendor-advisory
lists.gnu.org[qemu-devel] 20180228 [PATCH] multiboot: check mh_load_end_addr address fieldhttps://lists.gnu.org/archive/html/qemu-devel/2018-02/msg06890.htmlmailing-list
lists.debian.org[debian-lts-announce] 20180417 [SECURITY] [DLA 1351-1] qemu security updatehttps://lists.debian.org/debian-lts-announce/2018/04/msg00016.htmlmailing-list
usn.ubuntu.comUSN-3649-1https://usn.ubuntu.com/3649-1/vendor-advisory
lists.debian.org[debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security updatehttps://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlmailing-list
www.debian.orgDSA-4213https://www.debian.org/security/2018/dsa-4213vendor-advisory
lists.debian.org[debian-lts-announce] 20180417 [SECURITY] [DLA 1350-1] qemu-kvm security updatehttps://lists.debian.org/debian-lts-announce/2018/04/msg00015.htmlmailing-list
www.securityfocus.com103181http://www.securityfocus.com/bid/103181vdb-entry
bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1549798
access.redhat.comRHSA-2018:2462https://access.redhat.com/errata/RHSA-2018:2462vendor-advisory
github.comhttps://github.com/orangecertcc/security-research/security/advisories/GHSA-f49v-45qp-cv53

01 Record index

CVE-2018-7550

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2018-7550

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References