Vulnerabilities > CVE-2021-3930 - Off-by-one Error vulnerability in multiple products

047910
CVSS 6.5 - MEDIUM
Attack vector
LOCAL
Attack complexity
LOW
Privileges required
LOW
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
HIGH
local
low complexity
qemu
redhat
debian
CWE-193

Summary

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.

Vulnerable Configurations

Part Description Count
Application
Qemu
362
Application
Redhat
5
OS
Redhat
4
OS
Debian
2

Common Weakness Enumeration (CWE)