CVEvulnerability

CVE-2021-3930

6.5 MEDIUM Published 2022-02-18 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2022-02-18
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CVSS 2.0 ([email protected])
2.1 LOW — AV:L/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-193

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.

Affected configurations

• qemu qemu (< 6.2.0) • redhat codeready linux builder 8.0 • redhat codeready linux builder for ibm z systems 8.0 • redhat codeready linux builder for power little endian 8.0 • redhat openstack 10 • redhat openstack 13 • redhat enterprise linux 8.0 • redhat enterprise linux advanced virtualization eus 8.4 • redhat enterprise linux for ibm z systems 8.0 • redhat enterprise linux for power little endian 8.0 • debian debian linux 9.0 • debian debian linux 10.0

Related

Weakness · CWE (1)

  • CWE-193 Off-by-one Error weakness

References