CVE-2024-56637

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 3.1

4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 7% of CVEs (scores of 2026-10-25)

CWE

CWE-362

Published

2024-12-27

Modified

2026-10-15

Record from

the NVD, synced 2026-10-19

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/0e67805e805c1f3edd6f43adbe08ea14b552694b
• https://git.kernel.org/stable/c/456f010bfaefde84d3390c755eedb1b0a5857c3c
• https://git.kernel.org/stable/c/5bae60a933ba5d16eed55c6b279be51bcbbc79b0
• https://git.kernel.org/stable/c/6099b5d3e37145484fac4b8b4070c3f1abfb3519
• https://git.kernel.org/stable/c/90bf312a6b6b3d6012137f6776a4052ee85e0340

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