CVE-2024-40993
netfilter: ipset: Fix suspicious rcu_dereference_protected()
Description
In 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().
INFO
Published Date :
July 12, 2024, 1:15 p.m.
Last Modified :
Nov. 3, 2025, 10:17 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the affected kernel packages.
- Reboot the system for changes to take effect.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2024-40993.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-40993 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2024-40993
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2024-40993 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-40993 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 03, 2025
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html -
Initial Analysis by [email protected]
Sep. 17, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:6.10:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.9.6:*:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.1.95:*:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.6.35:*:*:*:*:*:*:* Added Reference Type CVE: https://git.kernel.org/stable/c/3799d02ae4208af08e81310770d8754863a246a1 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/3799d02ae4208af08e81310770d8754863a246a1 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/3fc09e1ca854bc234e007a56e0f7431f5e2defb5 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/3fc09e1ca854bc234e007a56e0f7431f5e2defb5 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/523bed6489e089dd8040e72453fb79da47b144c2 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/523bed6489e089dd8040e72453fb79da47b144c2 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/72d9611968867cc4c5509e7708b1507d692b797a Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/72d9611968867cc4c5509e7708b1507d692b797a Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/788d585e62f487bc4536d454937f737b70d39a33 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/788d585e62f487bc4536d454937f737b70d39a33 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/8ecd06277a7664f4ef018abae3abd3451d64e7a6 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/8ecd06277a7664f4ef018abae3abd3451d64e7a6 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/94dd411c18d7fff9e411555d5c662d29416501e4 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/94dd411c18d7fff9e411555d5c662d29416501e4 Types: Patch -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/3799d02ae4208af08e81310770d8754863a246a1 Added Reference https://git.kernel.org/stable/c/3fc09e1ca854bc234e007a56e0f7431f5e2defb5 Added Reference https://git.kernel.org/stable/c/523bed6489e089dd8040e72453fb79da47b144c2 Added Reference https://git.kernel.org/stable/c/72d9611968867cc4c5509e7708b1507d692b797a Added Reference https://git.kernel.org/stable/c/788d585e62f487bc4536d454937f737b70d39a33 Added Reference https://git.kernel.org/stable/c/8ecd06277a7664f4ef018abae3abd3451d64e7a6 Added Reference https://git.kernel.org/stable/c/94dd411c18d7fff9e411555d5c662d29416501e4 -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jul. 12, 2024
Action Type Old Value New Value Added Description In 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(). Added Reference kernel.org https://git.kernel.org/stable/c/3799d02ae4208af08e81310770d8754863a246a1 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/72d9611968867cc4c5509e7708b1507d692b797a [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/523bed6489e089dd8040e72453fb79da47b144c2 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/788d585e62f487bc4536d454937f737b70d39a33 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/94dd411c18d7fff9e411555d5c662d29416501e4 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/3fc09e1ca854bc234e007a56e0f7431f5e2defb5 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/8ecd06277a7664f4ef018abae3abd3451d64e7a6 [No types assigned]