What is CVE-2024-38663?

CVE-2024-38663 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 6.2 onward and patched in 6.6.33, 6.9.4 and 6.10. CVE-2024-38663 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-38663?

CVE-2024-38663 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-2024-38663?

Yes, CVE-2024-38663 has been patched. Fixed versions include 6.6.33, 6.9.4 and 6.10. If you are running Linux kernel 6.2 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-38663 actively exploited?

CVE-2024-38663 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2024-38663

Medium

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix list corruption from resetting io stat Since commit 3b8cc6298724 ("blk-cgroup: Optimize blkcg_rstat_flush()"), each iostat instance is added to blkcg percpu list, so blkcg_reset_stats() can't reset the stat instance by memset(), otherwise the llist may be corrupted. Fix the issue by only resetting the counter part.

Package Linux Kernel

Published 2024-06-24

Last modified 2025-10-03

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 6.2 and later are affected. Fixed in 6.6.33, 6.9.4, 6.10 and their respective stable series.

Affected from

≥ 6.2

Fixed in

✓ 6.6.33 6.6.x ✓ 6.9.4 6.9.x ✓ 6.10

References

3 total

Kernel Git
https://git.kernel.org/stable/c/6da6680632792709cecf2b006f2fe3ca7857e791

Patch
Kernel Git
https://git.kernel.org/stable/c/89bb36c72e1951843f9e04dc84412e31fcc849a9

Patch
Kernel Git
https://git.kernel.org/stable/c/d4a60298ac34f027a09f8f893fdbd9e06279bb24

Patch

Details

CVE ID CVE-2024-38663

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-06-24

Modified 2025-10-03

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-38663?

CVE-2024-38663 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 6.2 onward and has been patched in 6.6.33, 6.9.4 and 6.10. CVE-2024-38663 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-38663?

CVE-2024-38663 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-2024-38663?

Yes. CVE-2024-38663 has been patched. Fixed versions include 6.6.33, 6.9.4 and 6.10. If you are running Linux kernel 6.2 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-38663 actively exploited?

No. CVE-2024-38663 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.