What is CVE-2024-40993?

CVE-2024-40993 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 6.1.95 onward and patched in 6.1.96, 6.6.36 and 6.9.7. CVE-2024-40993 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-40993?

CVE-2024-40993 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2024-40993?

Yes, CVE-2024-40993 has been patched. Fixed versions include 6.1.96, 6.6.36 and 6.9.7. If you are running Linux kernel 6.1.95 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-40993 actively exploited?

CVE-2024-40993 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2024-40993

Medium

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().

Package Linux Kernel

Published 2024-07-12

Last modified 2026-05-12

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Affected versions

Linux kernel versions 6.1.95, 6.6.35, 6.9.6 and later are affected. Fixed in 6.1.96, 6.6.36, 6.9.7 and their respective stable series.

Affected from

≥ 6.1.95 ≥ 6.6.35 ≥ 6.9.6

Fixed in

✓ 6.1.96 6.1.x ✓ 6.6.36 6.6.x ✓ 6.9.7 6.9.x

References

9 total

Kernel Git
https://git.kernel.org/stable/c/3799d02ae4208af08e81310770d8754863a246a1

Patch
Kernel Git
https://git.kernel.org/stable/c/3fc09e1ca854bc234e007a56e0f7431f5e2defb5

Patch
Kernel Git
https://git.kernel.org/stable/c/523bed6489e089dd8040e72453fb79da47b144c2

Patch
Kernel Git
https://git.kernel.org/stable/c/72d9611968867cc4c5509e7708b1507d692b797a

Patch
Kernel Git
https://git.kernel.org/stable/c/788d585e62f487bc4536d454937f737b70d39a33

Patch

Showing 5 of 9 references View all on NVD

Details

CVE ID CVE-2024-40993

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-07-12

Modified 2026-05-12

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-40993?

CVE-2024-40993 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 6.1.95 onward and has been patched in 6.1.96, 6.6.36 and 6.9.7. CVE-2024-40993 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-40993?

CVE-2024-40993 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2024-40993?

Yes. CVE-2024-40993 has been patched. Fixed versions include 6.1.96, 6.6.36 and 6.9.7. If you are running Linux kernel 6.1.95 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-40993 actively exploited?

No. CVE-2024-40993 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.