DEBIAN-CVE-2021-3930

DEBIAN-CVE-2021-3930 PUBLISHED CVSS 6.5 MEDIUM

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.

Risk Scores

CVSS 3.1

6.5

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Affected Products

Vendor	Product	Versions
Debian:11	qemu	1:5.2+dfsg-11+deb11u1, *, 0
Debian:13	qemu	0, 0, 0
Debian:14	qemu	0, 0, 0
Debian:12	qemu	0, 0, 0

Timeline

Feb 18, 2022 CVE Published
Apr 28, 2026 CVE Updated

References

https://security-tracker.debian.org/tracker/CVE-2021-3930 advisory

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