What is CVE-2024-56749?

CVE-2024-56749 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 6.10 onward and patched in 6.11.11, 6.12.2 and 6.13. CVE-2024-56749 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-56749?

CVE-2024-56749 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-2024-56749?

Yes, CVE-2024-56749 has been patched. Fixed versions include 6.11.11, 6.12.2 and 6.13. If you are running Linux kernel 6.10 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-56749 actively exploited?

CVE-2024-56749 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2024-56749

Medium

In the Linux kernel, the following vulnerability has been resolved: dlm: fix dlm_recover_members refcount on error If dlm_recover_members() fails we don't drop the references of the previous created root_list that holds and keep all rsbs alive during the recovery. It might be not an unlikely event because ping_members() could run into an -EINTR if another recovery progress was triggered again.

Package Linux Kernel

Published 2024-12-29

Last modified 2025-10-01

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 6.10 and later are affected. Fixed in 6.11.11, 6.12.2, 6.13 and their respective stable series.

Affected from

≥ 6.10

Fixed in

✓ 6.11.11 6.11.x ✓ 6.12.2 6.12.x ✓ 6.13

References

The following references provide additional information about CVE-2024-56749 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/200b977ebbc313a59174ba971006a231b3533dc5
Patch
Kernel patch commit
https://git.kernel.org/stable/c/3230718a75a6c30ed60ac920c26be2119fa82b8e
Patch
Kernel patch commit
https://git.kernel.org/stable/c/fb2ec564887af1f365d754f7c306f1b5cd375b5e
Patch

Details

CVE ID CVE-2024-56749

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-12-29

Modified 2025-10-01

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-56749?

CVE-2024-56749 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 6.10 onward and has been patched in 6.11.11, 6.12.2 and 6.13. CVE-2024-56749 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-56749?

CVE-2024-56749 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-2024-56749?

Yes — CVE-2024-56749 has been patched. Fixed versions include 6.11.11, 6.12.2 and 6.13. If you are running Linux kernel 6.10 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-56749 actively exploited?

No — CVE-2024-56749 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.