Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-3930

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.

Published

2022-02-18T18:15:09.683

Last Modified

2024-11-21T06:22:47.890

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

3.9

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-193
  • Type: Primary
    CWE-193
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application qemu qemu < 6.2.0 Yes
Application redhat codeready_linux_builder 8.0 Yes
Application redhat codeready_linux_builder_for_ibm_z_systems 8.0 Yes
Application redhat codeready_linux_builder_for_power_little_endian 8.0 Yes
Application redhat openstack 10 Yes
Application redhat openstack 13 Yes
Operating System redhat enterprise_linux 8.0 Yes
Operating System redhat enterprise_linux_advanced_virtualization_eus 8.4 Yes
Operating System redhat enterprise_linux_for_ibm_z_systems 8.0 Yes
Operating System redhat enterprise_linux_for_power_little_endian 8.0 Yes
Operating System debian debian_linux 9.0 Yes
Operating System debian debian_linux 10.0 Yes
References