High 7.3Published Dec 27, 2024

CVE-2024-56637netfilter: ipset: Hold module reference while requesting a module

Updated under an hour ago (Oct 28, 2026, 2:30 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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.

CVSS: 7.3 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 15, 2026
First seen by InfoSec Signals: Oct 15, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from a7b4f989a629493bb4ec4a354def784d440b32c4 before e5e2d3024753fdaca818b822e3827614bacbdccf; from a7b4f989a629493bb4ec4a354def784d440b32c4 before 6099b5d3e37145484fac4b8b4070c3f1abfb3519; from a7b4f989a629493bb4ec4a354def784d440b32c4 before 0e67805e805c1f3edd6f43adbe08ea14b552694b; from a7b4f989a629493bb4ec4a354def784d440b32c4 before 5bae60a933ba5d16eed55c6b279be51bcbbc79b0; from a7b4f989a629493bb4ec4a354def784d440b32c4 before 90bf312a6b6b3d6012137f6776a4052ee85e0340; from a7b4f989a629493bb4ec4a354def784d440b32c4 before ba5e070f36682d07ca7ad2a953e6c9d96be19dca; from a7b4f989a629493bb4ec4a354def784d440b32c4 before 456f010bfaefde84d3390c755eedb1b0a5857c3c	CNA record
linux linux_kernel linux:linux_kernel	from 2.6.39 before 5.4.287; from 5.5 before 5.10.231; from 5.11 before 5.15.174; from 5.16 before 6.1.120; from 6.2 before 6.6.66; from 6.7 before 6.12.5; 6.13	NVD

References

References

https://git.kernel.org/stable/c/e5e2d3024753fdaca818b822e3827614bacbdccf	patch
https://git.kernel.org/stable/c/6099b5d3e37145484fac4b8b4070c3f1abfb3519	patch
https://git.kernel.org/stable/c/0e67805e805c1f3edd6f43adbe08ea14b552694b	patch
https://git.kernel.org/stable/c/5bae60a933ba5d16eed55c6b279be51bcbbc79b0	patch
https://git.kernel.org/stable/c/90bf312a6b6b3d6012137f6776a4052ee85e0340	patch
https://git.kernel.org/stable/c/ba5e070f36682d07ca7ad2a953e6c9d96be19dca	patch
https://git.kernel.org/stable/c/456f010bfaefde84d3390c755eedb1b0a5857c3c	patch
https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.