Upstream information

CVE-2021-3507 at MITRE

Description

A heap buffer overflow was found in the floppy disk emulator of QEMU up to 6.0.0 (including). It could occur in fdctrl_transfer_handler() in hw/block/fdc.c while processing DMA read data transfers from the floppy drive to the guest system. A privileged guest user could use this flaw to crash the QEMU process on the host resulting in DoS scenario, or potential information leakage from the host memory.

SUSE information

Overall state of this security issue: Analysis

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 3.6
Vector AV:L/AC:L/Au:N/C:P/I:N/A:P
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 6.1 4.4
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
Access Vector Local Local
Access Complexity Low Low
Privileges Required Low Low
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact High Low
Integrity Impact None None
Availability Impact Low Low
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1185000 [NEW]

No SUSE Security Announcements cross referenced.


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.

Product(s) Source package State
HPE Helion OpenStack 8 qemu Analysis
SUSE CaaS Platform 4.0 qemu Analysis
SUSE Enterprise Storage 6 qemu Analysis
SUSE Linux Enterprise High Performance Computing 12 SP5 qemu Analysis
SUSE Linux Enterprise High Performance Computing 15 LTSS qemu Analysis
SUSE Linux Enterprise High Performance Computing 15 SP1 ESPOS qemu Analysis
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS qemu Analysis
SUSE Linux Enterprise Micro 5.0 qemu Analysis
SUSE Linux Enterprise Micro 5.1 qemu Analysis
SUSE Linux Enterprise Module for Basesystem 15 SP2 qemu Analysis
SUSE Linux Enterprise Module for Basesystem 15 SP3 qemu Analysis
SUSE Linux Enterprise Module for Server Applications 15 SP2 qemu Analysis
SUSE Linux Enterprise Module for Server Applications 15 SP3 qemu Analysis
SUSE Linux Enterprise Point of Service 11 SP3 kvm Analysis
SUSE Linux Enterprise Point of Service 11 SP3 qemu Analysis
SUSE Linux Enterprise Server 11 SP1 kvm Analysis
SUSE Linux Enterprise Server 11 SP3 kvm Analysis
SUSE Linux Enterprise Server 11 SP4 kvm Analysis
SUSE Linux Enterprise Server 11 SP4 LTSS kvm Analysis
SUSE Linux Enterprise Server 12 SP3 ESPOS qemu Analysis
SUSE Linux Enterprise Server 12 SP3 LTSS qemu Analysis
SUSE Linux Enterprise Server 12 SP4 ESPOS qemu Analysis
SUSE Linux Enterprise Server 12 SP4 LTSS qemu Analysis
SUSE Linux Enterprise Server 12 SP5 qemu Analysis
SUSE Linux Enterprise Server 15 ESPOS qemu Analysis
SUSE Linux Enterprise Server 15 LTSS qemu Analysis
SUSE Linux Enterprise Server 15 SP1 LTSS qemu Analysis
SUSE Linux Enterprise Server BCL 12 SP2 qemu Analysis
SUSE Linux Enterprise Server BCL 12 SP3 qemu Analysis
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 qemu Analysis
SUSE Linux Enterprise Server for SAP Applications 12 SP3 qemu Analysis
SUSE Linux Enterprise Server for SAP Applications 12 SP4 qemu Analysis
SUSE Linux Enterprise Server for SAP Applications 12 SP5 qemu Analysis
SUSE Linux Enterprise Server for SAP Applications 15 qemu Analysis
SUSE Linux Enterprise Server for SAP Applications 15 SP1 qemu Analysis
SUSE Manager Proxy 4.0 qemu Unsupported
SUSE Manager Retail Branch Server 4.0 qemu Unsupported
SUSE Manager Server 4.0 qemu Unsupported
SUSE OpenStack Cloud 8 qemu Analysis
SUSE OpenStack Cloud 9 qemu Analysis
SUSE OpenStack Cloud Crowbar 8 qemu Analysis
SUSE OpenStack Cloud Crowbar 9 qemu Analysis