CVE-2024-56637

netfilter: ipset: Hold module reference while requesting a module

State: Published
Severity: 7.3 High
Published: Dec 27, 2024
Updated: Oct 15, 2026
Reserved: Dec 27, 2024

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.

Scores

CVSS	Score	Vector	Source
3.1	7.3 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	a7b4f989a629493bb4ec4a354def784d440b32c4 to before e5e2d3024753fdaca818b822e3827614bacbdccfAffected a7b4f989a629493bb4ec4a354def784d440b32c4 to before 6099b5d3e37145484fac4b8b4070c3f1abfb3519Affected a7b4f989a629493bb4ec4a354def784d440b32c4 to before 0e67805e805c1f3edd6f43adbe08ea14b552694bAffected a7b4f989a629493bb4ec4a354def784d440b32c4 to before 5bae60a933ba5d16eed55c6b279be51bcbbc79b0Affected a7b4f989a629493bb4ec4a354def784d440b32c4 to before 90bf312a6b6b3d6012137f6776a4052ee85e0340Affected a7b4f989a629493bb4ec4a354def784d440b32c4 to before ba5e070f36682d07ca7ad2a953e6c9d96be19dcaAffected a7b4f989a629493bb4ec4a354def784d440b32c4 to before 456f010bfaefde84d3390c755eedb1b0a5857c3cAffected
LinuxLinux	2.6.39Affected before 2.6.39Not affected 5.4.287 through 5.4.Not affected 5.10.231 through 5.10.Not affected 5.15.174 through 5.15.Not affected 6.1.120 through 6.1.Not affected 6.6.66 through 6.6.Not affected 6.12.5 through 6.12.Not affected 6.13 and laterNot affected

Product

Versions

LinuxLinux

a7b4f989a629493bb4ec4a354def784d440b32c4 to before e5e2d3024753fdaca818b822e3827614bacbdccfAffected
a7b4f989a629493bb4ec4a354def784d440b32c4 to before 6099b5d3e37145484fac4b8b4070c3f1abfb3519Affected
a7b4f989a629493bb4ec4a354def784d440b32c4 to before 0e67805e805c1f3edd6f43adbe08ea14b552694bAffected
a7b4f989a629493bb4ec4a354def784d440b32c4 to before 5bae60a933ba5d16eed55c6b279be51bcbbc79b0Affected
a7b4f989a629493bb4ec4a354def784d440b32c4 to before 90bf312a6b6b3d6012137f6776a4052ee85e0340Affected
a7b4f989a629493bb4ec4a354def784d440b32c4 to before ba5e070f36682d07ca7ad2a953e6c9d96be19dcaAffected
a7b4f989a629493bb4ec4a354def784d440b32c4 to before 456f010bfaefde84d3390c755eedb1b0a5857c3cAffected

LinuxLinux

2.6.39Affected
before 2.6.39Not affected
5.4.287 through 5.4.*Not affected
5.10.231 through 5.10.*Not affected
5.15.174 through 5.15.*Not affected
6.1.120 through 6.1.*Not affected
6.6.66 through 6.6.*Not affected
6.12.5 through 6.12.*Not affected
6.13 and laterNot affected

References

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