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CVE-2023-5088

Qemu: improper ide controller reset can lead to mbr overwrite

Published: Nov 3, 2023Updated: Nov 3, 2025 Sources: CVE List NVD BDUCWE-821
6.4MEDIUM
NVD MITRE
EPSS Score
0.2%
Top 85.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

A bug in QEMU could cause a guest I/O operation otherwise addressed to an arbitrary disk offset to be targeted to offset 0 instead (potentially overwriting the VM's boot code). This could be used, for example, by L2 guests with a virtual disk (vdiskL2) stored on a virtual disk of an L1 (vdiskL1) hypervisor to read and/or write data to LBA 0 of vdiskL1, potentially gaining control of L1 at its next reboot.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:HPR:HUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-821CWE-662

Affected Products

Red Hat Inc.
commercial·USaka redhat, Red Hat
Red Hat Enterprise Linux 8On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 8 Advanced VirtualizationOn-premOS
Operating Systems / linux-distro
ООО «Ред Софт»
commercial·RUaka red soft
РЕД ОСOn-premOS
Operating Systems / linux-distro
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Astra Linux Special EditionOn-premOS
Operating Systems / linux-distro
Fabrice Bellard
individual-dev·FR
QEMULibrary
OSS Libraries / generic-library
АО «НТЦ ИТ РОСА»
commercial·RU
ROSA Virtualization 3.0On-prem
Operating Systems / linux-distro
АО «НППКТ»
commercial·RU
ОСОН ОСнова ОnyxOn-premOS
Operating Systems / linux-distro
and 6 more affected products View all →

Exploitability

Official Patch Available
Workaround Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://lists.nongnu.org/archive/html/qemu-devel/2023-09/msg01011.html
lists.nongnu.org
https://access.redhat.com/security/cve/CVE-2023-5088
access.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2247283
bugzilla.redhat.com
and 15 more references View all →

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