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.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-2970-1 qemu security update
Debian DLA Debian DLA DLA-3099-1 qemu security update
EUVD EUVD EUVD-2021-27146 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.
Ubuntu USN Ubuntu USN USN-5307-1 QEMU vulnerabilities
Ubuntu USN Ubuntu USN USN-5772-1 QEMU vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-03T17:09:09.783Z

Reserved: 2021-11-05T00:00:00

Link: CVE-2021-3930

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-02-18T18:15:09.683

Modified: 2024-11-21T06:22:47.890

Link: CVE-2021-3930

cve-icon Redhat

Severity : Low

Publid Date: 2021-02-04T00:00:00Z

Links: CVE-2021-3930 - Bugzilla

cve-icon OpenCVE Enrichment

No data.