CVE-2024-56637

netfilter: ipset: Hold module reference while requesting a module

Description

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.

N/A

CVSS

Severity:

EPSS 0.07%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/e5e2d3024753fdaca818b822e3827614bacbdccf
https://git.kernel.org/stable/c/6099b5d3e37145484fac4b8b4070c3f1abfb3519
https://git.kernel.org/stable/c/0e67805e805c1f3edd6f43adbe08ea14b552694b
https://git.kernel.org/stable/c/5bae60a933ba5d16eed55c6b279be51bcbbc79b0
https://git.kernel.org/stable/c/90bf312a6b6b3d6012137f6776a4052ee85e0340
https://git.kernel.org/stable/c/ba5e070f36682d07ca7ad2a953e6c9d96be19dca
https://git.kernel.org/stable/c/456f010bfaefde84d3390c755eedb1b0a5857c3c

Frequently Asked Questions

What is the severity of CVE-2024-56637?: CVE-2024-56637 has not yet been assigned a CVSS score.
How to fix CVE-2024-56637?: To fix CVE-2024-56637, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-56637 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2024-56637 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-56637?: CVE-2024-56637 affects Linux Linux, Linux Linux.

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