Upstream information

CVE-2021-3564 at MITRE

Description

A flaw double-free memory corruption in the Linux kernel HCI device initialization subsystem was found in the way user attach malicious HCI TTY Bluetooth device. A local user could use this flaw to crash the system. This flaw affects all the Linux kernel versions starting from 3.13.

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 2.1
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
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 5.5 4.7
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Access Vector Local Local
Access Complexity Low High
Privileges Required Low Low
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact None None
Integrity Impact None None
Availability Impact High High
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1186207 [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Please note that this evaluation state might be work in progress, incomplete or outdated.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
Carwos (1) kernel-source-rt Analysis
SLE-HPC (12) kernel-default Analysis
SLE-HPC (12) kernel-source Analysis
SLE-HPC (12) kernel-source-azure Analysis
SLES (12) kernel-default Analysis
SLES (12) kernel-source Analysis
SLES (12) kernel-source-azure Analysis
SLES-BCL (12) kernel-default Analysis
SLES-BCL (12) kernel-source Analysis
SLES-BCL (12) kernel-source-azure Analysis
SLES-ESPOS (12) kernel-default Analysis
SLES-ESPOS (12) kernel-source Analysis
SLES-ESPOS (12) kernel-source-azure Analysis
SLES-LTSS (12) kernel-default Analysis
SLES-LTSS (12) kernel-source Analysis
SLES-LTSS (12) kernel-source-azure Analysis
SLES-LTSS (15) kernel-default Analysis
SLES-LTSS (15) kernel-source Analysis
SLES-LTSS-ERICSSON (12) kernel-default Analysis
SLES-LTSS-ERICSSON (12) kernel-source Analysis
SLES-LTSS-SAP (12) kernel-default Analysis
SLES-LTSS-SAP (12) kernel-source Analysis
SLES_BCL (15) kernel-default Analysis
SLES_BCL (15) kernel-source Analysis
SLES_SAP (12) kernel-default Analysis
SLES_SAP (12) kernel-source Analysis
SLES_SAP (12) kernel-source-azure Analysis
SLES_SAP (15) kernel-default Analysis
SLES_SAP (15) kernel-source Analysis
SLE_HPC-ESPOS (15) kernel-default Analysis
SLE_HPC-ESPOS (15) kernel-source Analysis
SLE_HPC-LTSS (15) kernel-default Analysis
SLE_HPC-LTSS (15) kernel-source Analysis
SUSE-Linux-Enterprise-RT (12) kernel-source-rt Analysis
SUSE-Manager-Proxy (4.0) kernel-default Unsupported
SUSE-Manager-Proxy (4.0) kernel-source Unsupported
SUSE-Manager-Retail-Branch-Server (4.0) kernel-default Unsupported
SUSE-Manager-Retail-Branch-Server (4.0) kernel-source Unsupported
SUSE-Manager-Server (4.0) kernel-default Unsupported
SUSE-Manager-Server (4.0) kernel-source Unsupported
SUSE_SLES_LTSS (11) kernel-default Analysis
SUSE_SLES_LTSS (11) kernel-source Analysis
caasp (4.0) kernel-default Analysis
caasp (4.0) kernel-source Analysis
hpe-helion-openstack (8) kernel-default Analysis
hpe-helion-openstack (8) kernel-source Analysis
hpe-helion-openstack (8) kernel-source-azure Analysis
ses (6) kernel-default Analysis
ses (6) kernel-source Analysis
sle-module-basesystem (15) kernel-default Analysis
sle-module-basesystem (15) kernel-source Analysis
sle-module-development-tools (15) kernel-default Analysis
sle-module-development-tools (15) kernel-source Analysis
sle-module-public-cloud (15) kernel-source-azure Analysis
sle-module-rt (15) kernel-source-rt Analysis
sle-pos (11) kernel-default Analysis
sle-pos (11) kernel-source Analysis
suse-openstack-cloud (8) kernel-default Analysis
suse-openstack-cloud (8) kernel-source Analysis
suse-openstack-cloud (8) kernel-source-azure Analysis
suse-openstack-cloud (9) kernel-default Analysis
suse-openstack-cloud (9) kernel-source Analysis
suse-openstack-cloud (9) kernel-source-azure Analysis
suse-openstack-cloud-crowbar (8) kernel-default Analysis
suse-openstack-cloud-crowbar (8) kernel-source Analysis
suse-openstack-cloud-crowbar (8) kernel-source-azure Analysis
suse-openstack-cloud-crowbar (9) kernel-default Analysis
suse-openstack-cloud-crowbar (9) kernel-source Analysis
suse-openstack-cloud-crowbar (9) kernel-source-azure Analysis