CVE-2021-3564

CVE Details

Release Date:2021-06-08

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.

See more information about CVE-2021-3564 from MITRE CVE dictionary and NIST NVD


CVSS v3.0 metrics


NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score: 5.5 Base Metrics: AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Access Vector: Local network Attack Complexity: Low
Privileges Required: Low User Interaction: None
Scope: Unchanged Confidentiality Impact: None
Integrity Impact: None Availability Impact: High

Errata information


PlatformErrataRelease Date
Oracle Linux version 6 (kernel-uek)ELSA-2021-95342021-11-02
Oracle Linux version 7 (kernel)ELSA-2022-06202022-02-23
Oracle Linux version 7 (kernel-uek)ELSA-2021-94042021-08-10
Oracle Linux version 7 (kernel-uek)ELSA-2021-94602021-09-22
Oracle Linux version 7 (kernel-uek)ELSA-2021-94852021-10-14
Oracle Linux version 7 (kernel-uek)ELSA-2021-95342021-11-02
Oracle Linux version 7 (kernel-uek-container)ELSA-2021-94062021-08-10
Oracle Linux version 7 (kernel-uek-container)ELSA-2021-94582021-09-22
Oracle Linux version 7 (kernel-uek-container)ELSA-2021-94882021-10-14
Oracle Linux version 8 (kernel)ELSA-2021-43562021-11-16
Oracle Linux version 8 (kernel-uek)ELSA-2021-94042021-08-10
Oracle Linux version 8 (kernel-uek-container)ELSA-2021-94062021-08-10
Oracle VM version 3 (kernel-uek)OVMSA-2021-00362021-11-02



This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team

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