Updated: 2026-02-27 00:22:36.899685
Description:
A memory leak problem was found in ctnetlink_create_conntrack in net/netfilter/nf_conntrack_netlink.c in the Linux Kernel. This issue may allow a local attacker with CAP_NET_ADMIN privileges to cause a denial of service (DoS) attack due to a refcount overflow.
| Links | NIST | CIRCL | RHEL | Ubuntu |
| Severity | Score | |
|---|---|---|
| CVSS Version 2.x | 0.0 | |
| CVSS Version 3.x | MEDIUM | 4.4 |
| OS name | Project name | Version | Score | Severity | Status | Errata | Last updated | Statement |
|---|---|---|---|---|---|---|---|---|
| AlmaLinux 9.2 ESU | kernel | 5.14.0 | 4.4 | MEDIUM | Released | CLSA-2024:1715000749 | 2024-05-06 14:31:23 | |
| CentOS 6 ELS | kernel | 2.6.32 | 4.4 | MEDIUM | Ignored | 2024-01-09 08:40:17 | Ignored due to low severity | |
| CentOS 7 ELS | kernel | 3.10.0 | 4.4 | MEDIUM | Ignored | 2024-01-09 08:40:15 | Ignored due to low severity | |
| CentOS 8.4 ELS | kernel | 4.18.0 | 4.4 | MEDIUM | Ignored | 2024-01-09 08:40:15 | Ignored due to low severity | |
| CentOS 8.5 ELS | kernel | 4.18.0 | 4.4 | MEDIUM | Ignored | 2024-01-09 08:40:16 | Ignored due to low severity | |
| CloudLinux 6 ELS | kernel | 2.6.32 | 4.4 | MEDIUM | Ignored | 2024-01-09 08:40:17 | Ignored due to low severity | |
| Oracle Linux 6 ELS | kernel | 2.6.32 | 4.4 | MEDIUM | Ignored | 2024-01-09 10:08:39 | Ignored due to low severity | |
| Ubuntu 16.04 ELS | linux-hwe | 4.15.0 | 4.4 | MEDIUM | Released | CLSA-2024:1705079299 | 2024-01-12 13:08:53 | |
| Ubuntu 16.04 ELS | linux | 4.4.0 | 4.4 | MEDIUM | Released | CLSA-2024:1705078045 | 2024-01-12 13:08:51 | |
| Ubuntu 18.04 ELS | linux | 4.15.0 | 4.4 | MEDIUM | Released | CLSA-2024:1705081601 | 2024-01-12 13:08:52 |