CVE-2021-3930

CVSS V2 Low 2.1 CVSS V3 Medium 6.5
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.
Overview
  • CVE ID
  • CVE-2021-3930
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-02-18T18:15:09
  • Last Modified Date
  • 2022-10-25T20:11:26
Weakness Enumerations
CWE URL
CWE-193 http://cwe.mitre.org/data/definitions/193.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* 1 OR 6.2.0
cpe:2.3:a:redhat:codeready_linux_builder:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:redhat:codeready_linux_builder_for_ibm_z_systems:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:redhat:codeready_linux_builder_for_power_little_endian:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:redhat:openstack:13:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_advanced_virtualization_eus:8.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 2.1
  • Severity
  • LOW
  • Exploitability Score
  • 3.9
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • CHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2
  • Impact Score
  • 4
References
Reference URL Reference Tags
https://bugzilla.redhat.com/show_bug.cgi?id=2020588 Issue Tracking Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2022/04/msg00002.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202208-27 Third Party Advisory
https://security.netapp.com/advisory/ntap-20220225-0007/ Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-3930
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3930
History
Created Old Value New Value Data Type Notes
2022-05-10 06:30:05 Added to TrackCVE
2022-12-06 10:08:34 2022-02-18T18:15Z 2022-02-18T18:15:09 CVE Published Date updated
2022-12-06 10:08:34 2022-10-25T20:11:26 CVE Modified Date updated
2022-12-06 10:08:34 Analyzed Vulnerability Status updated
2022-12-06 10:08:40 References updated