CVE-2021-43389

Updated: 2025-08-20 00:08:16.301256

Description:

An issue was discovered in the Linux kernel before 5.14.15. There is an array-index-out-of-bounds flaw in the detach_capi_ctr function in drivers/isdn/capi/kcapi.c.


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x LOW 2.1
CVSS Version 3.x MEDIUM 5.5

Status

OS name Project name Version Score Severity Status Errata Last updated

Statement

AlmaLinux 9.2 ESU kernel 5.14.0 5.5 MEDIUM Ignored 2023-11-21 04:12:24 This flaw is confined to the ISDN CAPI/CMTP subsystem and is only reachable if those kernel modules ...
CentOS 6 ELS kernel 2.6.32 5.5 MEDIUM Ignored 2022-04-05 18:53:32 Ignored due to low severity
CentOS 7 ELS kernel 3.10.0 5.5 MEDIUM Released CLSA-2024:1720468480 2024-07-23 17:33:37
CentOS 8.4 ELS kernel 4.18.0 5.5 MEDIUM Ignored 2024-06-24 10:38:56 Ignored due to low severity
CentOS 8.5 ELS kernel 4.18.0 5.5 MEDIUM Ignored 2024-06-24 10:38:07 Ignored due to low severity
CentOS Stream 8 ELS kernel 4.18.0 5.5 MEDIUM Ignored 2024-05-24 14:19:01 Ignored due to low severity
CloudLinux 6 ELS kernel 2.6.32 5.5 MEDIUM Ignored 2022-04-05 18:53:32 Ignored due to low severity
CloudLinux 7 ELS kernel 3.10.0 5.5 MEDIUM Ignored 2024-09-06 12:12:14 Ignored due to low severity
Oracle Linux 6 ELS kernel 2.6.32 5.5 MEDIUM Ignored 2022-04-05 18:53:32 Ignored due to low severity
RHEL 7 ELS kernel 3.10.0 5.5 MEDIUM Released CLSA-2025:1750353839 2025-06-20 00:28:09
Total: 13