netfilter: ipset: Hold module reference while requesting a module

Summary

CVECVE-2024-56637
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-12-27 15:15:23 UTC
Updated2026-08-04 11:22:16 UTC
DescriptionIn 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 And Classification

Primary CVSS: v3.1 4.7 MEDIUM from [email protected]

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

Problem Types: CWE-362


VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary4.7MEDIUMCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary7.3HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
3.1CNADECLARED7.3HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected a7b4f989a629493bb4ec4a354def784d440b32c4 e5e2d3024753fdaca818b822e3827614bacbdccf git Not specified
CNA Linux Linux affected a7b4f989a629493bb4ec4a354def784d440b32c4 6099b5d3e37145484fac4b8b4070c3f1abfb3519 git Not specified
CNA Linux Linux affected a7b4f989a629493bb4ec4a354def784d440b32c4 0e67805e805c1f3edd6f43adbe08ea14b552694b git Not specified
CNA Linux Linux affected a7b4f989a629493bb4ec4a354def784d440b32c4 5bae60a933ba5d16eed55c6b279be51bcbbc79b0 git Not specified
CNA Linux Linux affected a7b4f989a629493bb4ec4a354def784d440b32c4 90bf312a6b6b3d6012137f6776a4052ee85e0340 git Not specified
CNA Linux Linux affected a7b4f989a629493bb4ec4a354def784d440b32c4 ba5e070f36682d07ca7ad2a953e6c9d96be19dca git Not specified
CNA Linux Linux affected a7b4f989a629493bb4ec4a354def784d440b32c4 456f010bfaefde84d3390c755eedb1b0a5857c3c git Not specified
CNA Linux Linux affected 2.6.39 Not specified
CNA Linux Linux unaffected 2.6.39 semver Not specified
CNA Linux Linux unaffected 5.4.287 5.4.* semver Not specified
CNA Linux Linux unaffected 5.10.231 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.174 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.120 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.66 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.5 6.12.* semver Not specified
CNA Linux Linux unaffected 6.13 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/ba5e070f36682d07ca7ad2a953e6c9d96be19dca 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/6099b5d3e37145484fac4b8b4070c3f1abfb3519 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2025/03/msg00002.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
git.kernel.org/stable/c/0e67805e805c1f3edd6f43adbe08ea14b552694b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/90bf312a6b6b3d6012137f6776a4052ee85e0340 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/456f010bfaefde84d3390c755eedb1b0a5857c3c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2025/03/msg00001.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
git.kernel.org/stable/c/e5e2d3024753fdaca818b822e3827614bacbdccf 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/5bae60a933ba5d16eed55c6b279be51bcbbc79b0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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