Updated: 2025-08-20 00:14:10.683407
Description:
A flaw was found in the Linux kernel's implementation of string matching within a packet. A privileged user (with root or CAP_NET_ADMIN) when inserting iptables rules could insert a rule which can panic the system. Kernel before kernel 5.5-rc1 is affected.
| Links | NIST | CIRCL | RHEL | Ubuntu |
| Severity | Score | |
|---|---|---|
| CVSS Version 2.x | LOW | 2.1 |
| CVSS Version 3.x | MEDIUM | 4.4 |
| OS name | Project name | Version | Score | Severity | Status | Errata | Last updated | Statement |
|---|---|---|---|---|---|---|---|---|
| CentOS 6 ELS | kernel | 2.6.32 | 4.4 | MEDIUM | Ignored | 2022-01-27 11:19:50 | Ignored due to low severity | |
| CentOS 7 ELS | kernel | 3.10.0 | 4.4 | MEDIUM | Ignored | 2023-09-19 09:30:11 | Ignored due to low severity | |
| CentOS 8.4 ELS | kernel | 4.18.0 | 4.4 | MEDIUM | Ignored | 2022-02-10 08:36:37 | Ignored due to low severity | |
| CentOS 8.5 ELS | kernel | 4.18.0 | 4.4 | MEDIUM | Not Vulnerable | 2025-10-24 07:18:43 | ||
| CloudLinux 6 ELS | kernel | 2.6.32 | 4.4 | MEDIUM | Ignored | 2022-01-27 11:19:50 | Ignored due to low severity | |
| Oracle Linux 6 ELS | kernel | 2.6.32 | 4.4 | MEDIUM | Ignored | 2022-01-27 11:19:50 | Ignored due to low severity | |
| Ubuntu 16.04 ELS | linux-hwe | 4.15.0 | 4.4 | MEDIUM | Ignored | 2022-09-28 05:02:36 | Ignored due to low severity | |
| Ubuntu 16.04 ELS | linux | 4.4.0 | 4.4 | MEDIUM | Ignored | 2022-01-27 11:19:50 | Ignored due to low severity | |
| Ubuntu 18.04 ELS | linux | 4.15.0 | 4.4 | MEDIUM | Ignored | 2023-03-02 04:04:11 | Ignored due to low severity |