VDB
CVE-2024-56637
CVE-2024-56637
PUBLISHED
CVSS 7.3 HIGH
netfilter: ipset: Hold module reference while requesting a module
Reported by linux · Published December 27, 2024
In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Hold module reference while requesting a module User space may unload ip_set.ko while it is itself requesting a set type backend module, leading to a kernel crash. The race condition may be provoked by inserting an mdelay() right after the nfnl_unlock() call.
Risk scores
CVSS 3.1
7.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | a7b4f989a629493bb4ec4a354def784d440b32c4, a7b4f989a629493bb4ec4a354def784d440b32c4, a7b4f989a629493bb4ec4a354def784d440b32c4 |
| Linux | Linux | 2.6.39, 0, 5.4.287 |
| linux | linux_kernel | 2.6.39, 2.6.39, 2.6.39 |
| amazon:2023 | kernel-tools-devel | 0 |
| Linux | Linux | *, *, * |
| amazon:2023 | perf | 0 |
| amazon:2023 | kernel-livepatch-6.1.124-134.200 | 0 |
| amazon:2023 | kernel-modules-extra-common | 0 |
| amazon:2023 | python3-perf | 0 |
| amazon:2023 | kernel-devel | 0 |
| amazon:2023 | bpftool | 0 |
| amazon:2023 | kernel-libbpf | 0 |
| amazon:2023 | kernel | 0 |
| amazon:2023 | kernel-libbpf-devel | 0 |
| amazon:2023 | kernel-headers | 0 |
| amazon:2023 | kernel-modules-extra | 0 |
| amazon:2023 | kernel-libbpf-static | 0 |
| amazon:2023 | kernel-tools | 0 |
Timeline
- Dec 27, 2024 CVE Published
- Dec 28, 2024 EPSS Score (30 in total, the first dated here)
- Jan 29, 2025 Coalition ESS Score (6 in total, the first dated here)
- Dec 16, 2025 PoC Published
- Dec 29, 2025 Security Advisory (422 in total, the first dated here)
- Apr 29, 2026 Distribution Patch (340 in total, the first dated here)
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