Updated: 2026-02-27 01:54:44.648712
Description:
A vulnerability, which was classified as critical, has been found in Linux Kernel. Affected by this issue is the function del_timer of the file drivers/isdn/mISDN/l1oip_core.c of the component Bluetooth. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211088.
| Links | NIST | CIRCL | RHEL | Ubuntu |
| Severity | Score | |
|---|---|---|
| CVSS Version 2.x | 0.0 | |
| CVSS Version 3.x | HIGH | 7.8 |
| OS name | Project name | Version | Score | Severity | Status | Errata | Last updated | Statement |
|---|---|---|---|---|---|---|---|---|
| AlmaLinux 9.2 ESU | kernel | 5.14.0 | 7.8 | HIGH | Not Vulnerable | 2025-09-16 15:09:04 | CONFIG_ISDN is not set | |
| CentOS 6 ELS | kernel | 2.6.32 | 7.8 | HIGH | Released | CLSA-2023:1682705952 | 2023-05-04 17:08:01 | |
| CentOS 7 ELS | kernel | 3.10.0 | 7.8 | HIGH | Released | CLSA-2024:1720468480 | 2024-07-23 17:32:40 | |
| CentOS 8.4 ELS | kernel | 4.18.0 | 7.8 | HIGH | Released | CLSA-2023:1683229770 | 2023-05-04 17:07:59 | |
| CentOS 8.5 ELS | kernel | 4.18.0 | 7.8 | HIGH | Released | CLSA-2023:1683146027 | 2023-05-04 17:08:00 | |
| CentOS Stream 8 ELS | kernel | 4.18.0 | 7.8 | HIGH | Already Fixed | 2024-06-29 10:08:40 | ||
| CloudLinux 6 ELS | kernel | 2.6.32 | 7.8 | HIGH | Ignored | 2025-01-10 22:44:23 | ||
| CloudLinux 7 ELS | kernel | 3.10.0 | 7.8 | HIGH | Ignored | 2025-01-10 22:43:25 | CloudLinux 6 and 7 support is limited and provided on demand. We strongly recommend upgrading to Clo... | |
| Oracle Linux 6 ELS | kernel | 2.6.32 | 7.8 | HIGH | Released | CLSA-2023:1682711913 | 2023-04-28 17:07:29 | |
| RHEL 7 ELS | kernel | 3.10.0 | 7.8 | HIGH | Released | CLSA-2025:1750353839 | 2025-06-20 04:44:53 |