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CVE-2021-3930

Published: Feb 18, 2022Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-193
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
0.3%
Top 74.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

An off-by-one error was found in the SCSI device emulation in QEMU. It could occur while processing MODE SELECT commands in mode_sense_page() if the 'page' argument was set to MODE_PAGE_ALLS (0x3f). A malicious guest could use this flaw to potentially crash QEMU, resulting in a denial of service condition.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:CC:NI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-193

Affected Products

qemuqemu
On-prem
Cloud & SaaS / virtualization
codeready linux builderredhat
On-prem
Operating Systems / linux-distro
codeready linux builder for ibm z systemsredhat
On-prem
Operating Systems / linux-distro
codeready linux builder for power little endianredhat
On-prem
Operating Systems / linux-distro
openstackredhat
On-prem
Cloud & SaaS / container-orchestration
qemuoss-projectUSCloud & SaaS
redhatcommercialUSOperating Systemsaka red hat
and 10 more affected products View all →

Exploitability

Official Patch Available

References

https://bugzilla.redhat.com/show_bug.cgi?id=2020588
bugzilla.redhat.com
https://lists.debian.org/debian-lts-announce/2022/04/msg00002.html
lists.debian.org
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
lists.debian.org
and 11 more references View all →

Timeline

Published
Feb 18, 2022
Last Updated
Nov 21, 2024

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