Updated: 2025-11-19 03:52:14.004755
Description:
In the Linux kernel, the following vulnerability has been resolved: crypto: null - Use spin lock instead of mutex As the null algorithm may be freed in softirq context through af_alg, use spin locks instead of mutexes to protect the default null algorithm.
| Links | NIST | CIRCL | RHEL | Ubuntu |
| Severity | Score | |
|---|---|---|
| CVSS Version 2.x | 0.0 | |
| CVSS Version 3.x | MEDIUM | 5.5 |
| OS name | Project name | Version | Score | Severity | Status | Errata | Last updated | Statement |
|---|---|---|---|---|---|---|---|---|
| AlmaLinux 9.2 ESU | kernel | 5.14.0 | 5.5 | MEDIUM | Needs Triage | 2025-11-25 02:00:31 | ||
| CentOS 8.4 ELS | kernel | 4.18.0 | 5.5 | MEDIUM | Ignored | 2025-12-18 20:08:35 | ||
| CentOS 8.5 ELS | kernel | 4.18.0 | 5.5 | MEDIUM | Ignored | 2025-12-18 20:08:36 | ||
| CentOS Stream 8 ELS | kernel | 4.18.0 | 5.5 | MEDIUM | Ignored | 2025-12-18 20:08:34 | ||
| Oracle Linux 7 ELS | kernel-uek | 5.4.17 | 5.5 | MEDIUM | Released | CLSA-2025:1757963029 | 2025-09-16 11:20:48 | |
| TuxCare 9.6 ESU | kernel | 5.14.0 | 5.5 | MEDIUM | Ignored | 2025-12-03 00:22:48 | This flaw is local-only and tied to the kernel’s crypto “null” algorithm via AF_ALG; it requir... | |
| Ubuntu 16.04 ELS | linux-hwe | 4.15.0 | 5.5 | MEDIUM | Needs Triage | 2025-11-24 16:29:45 | ||
| Ubuntu 16.04 ELS | linux | 4.4.0 | 5.5 | MEDIUM | Needs Triage | 2025-11-24 16:24:01 | ||
| Ubuntu 18.04 ELS | linux | 4.15.0 | 5.5 | MEDIUM | Needs Triage | 2025-11-24 16:24:02 | ||
| Ubuntu 20.04 ELS | linux | 5.4.0 | 5.5 | MEDIUM | Needs Triage | 2025-11-24 16:24:01 |