netfilter: ipset: Fix suspicious rcu_dereference_protected()

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Summary

CVECVE-2024-40993
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-07-12 13:15:20 UTC
Updated2026-05-12 12:17:01 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Fix suspicious rcu_dereference_protected() When destroying all sets, we are either in pernet exit phase or are executing a "destroy all sets command" from userspace. The latter was taken into account in ip_set_dereference() (nfnetlink mutex is held), but the former was not. The patch adds the required check to rcu_dereference_protected() in ip_set_dereference().

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

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

EPSS: 0.000270000 probability, percentile 0.077810000 (date 2026-05-12)

Problem Types: NVD-CWE-noinfo

CVSS v3.1 Breakdown

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

CVSS:3.1/AV:L/AC:L/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 6.1.95 All All All
Operating System Linux Linux Kernel 6.10 rc4 All All
Operating System Linux Linux Kernel 6.6.35 All All All
Operating System Linux Linux Kernel 6.9.6 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected c0761d1f1ce1d5b85b5e82bbb714df12de1aa8c3 3799d02ae4208af08e81310770d8754863a246a1 git Not specified
CNA Linux Linux affected 93b53c202b51a69e42ca57f5a183f7e008e19f83 72d9611968867cc4c5509e7708b1507d692b797a git Not specified
CNA Linux Linux affected 0f1bb77c6d837c9513943bc7c08f04c5cc5c6568 523bed6489e089dd8040e72453fb79da47b144c2 git Not specified
CNA Linux Linux affected 390b353d1a1da3e9c6c0fd14fe650d69063c95d6 788d585e62f487bc4536d454937f737b70d39a33 git Not specified
CNA Linux Linux affected 2ba35b37f780c6410bb4bba9c3072596d8576702 94dd411c18d7fff9e411555d5c662d29416501e4 git Not specified
CNA Linux Linux affected 90ae20d47de602198eb69e6cd7a3db3420abfc08 3fc09e1ca854bc234e007a56e0f7431f5e2defb5 git Not specified
CNA Linux Linux affected 4e7aaa6b82d63e8ddcbfb56b4fd3d014ca586f10 8ecd06277a7664f4ef018abae3abd3451d64e7a6 git Not specified
CNA Linux Linux affected 6.1.95 6.1.96 semver Not specified
CNA Linux Linux affected 6.6.35 6.6.36 semver Not specified
CNA Linux Linux affected 6.9.6 6.9.7 semver Not specified
ADP Siemens SIMATIC S7-1500 TM MFP - GNU/Linux Subsystem affected * custom Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/94dd411c18d7fff9e411555d5c662d29416501e4 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/8ecd06277a7664f4ef018abae3abd3451d64e7a6 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/72d9611968867cc4c5509e7708b1507d692b797a af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
cert-portal.siemens.com/productcert/html/ssa-265688.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
git.kernel.org/stable/c/3fc09e1ca854bc234e007a56e0f7431f5e2defb5 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/788d585e62f487bc4536d454937f737b70d39a33 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/3799d02ae4208af08e81310770d8754863a246a1 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/523bed6489e089dd8040e72453fb79da47b144c2 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2025/01/msg00001.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
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