What is CVE-2024-38566?

CVE-2024-38566 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 6.4 onward and patched in 6.6.33, 6.8.12, 6.9.3 and others. CVE-2024-38566 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-38566?

CVE-2024-38566 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:H/A:N.

Is there a patch available for CVE-2024-38566?

Yes, CVE-2024-38566 has been patched. Fixed versions include 6.6.33, 6.8.12, 6.9.3 and others. If you are running Linux kernel 6.4 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-38566 actively exploited?

CVE-2024-38566 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2024-38566

Medium

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix verifier assumptions about socket->sk The verifier assumes that 'sk' field in 'struct socket' is valid and non-NULL when 'socket' pointer itself is trusted and non-NULL. That may not be the case when socket was just created and passed to LSM socket_accept hook. Fix this verifier assumption and adjust tests.

Package Linux Kernel

Published 2024-06-19

Last modified 2025-09-17

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

High

Availability

None

Vector string

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

Affected versions

Linux kernel versions 6.4 and later are affected. Fixed in 6.6.33, 6.8.12, 6.9.3, 6.10 and their respective stable series.

Affected from

≥ 6.4

Fixed in

✓ 6.6.33 6.6.x ✓ 6.8.12 6.8.x ✓ 6.9.3 6.9.x ✓ 6.10

References

4 total

Kernel Git
https://git.kernel.org/stable/c/0db63c0b86e981a1e97d2596d64ceceba1a5470e

Patch
Kernel Git
https://git.kernel.org/stable/c/39f8a29330f433000e716eefc4b9abda05b71a82

Patch
Kernel Git
https://git.kernel.org/stable/c/6f5ae91172a93abac9720ba94edf3ec8f4d7f24f

Patch
Kernel Git
https://git.kernel.org/stable/c/c58ccdd2483a1d990748cdaf94206b5d5986a001

Patch

Details

CVE ID CVE-2024-38566

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-06-19

Modified 2025-09-17

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-38566?

CVE-2024-38566 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 6.4 onward and has been patched in 6.6.33, 6.8.12, 6.9.3 and others. CVE-2024-38566 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-38566?

CVE-2024-38566 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:H/A:N.
Is there a patch available for CVE-2024-38566?

Yes. CVE-2024-38566 has been patched. Fixed versions include 6.6.33, 6.8.12, 6.9.3 and others. If you are running Linux kernel 6.4 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-38566 actively exploited?

No. CVE-2024-38566 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.