What is CVE-2024-56546?

CVE-2024-56546 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Memory Leak flaw (CWE-401), affecting Linux kernel versions from 5.19 onward and patched in 6.1.120, 6.6.64, 6.11.11 and others. CVE-2024-56546 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-56546?

CVE-2024-56546 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-2024-56546?

Yes, CVE-2024-56546 has been patched. Fixed versions include 6.1.120, 6.6.64, 6.11.11 and others. If you are running Linux kernel 5.19 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-56546 actively exploited?

CVE-2024-56546 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Memory Leak (CWE-401)?

The product does not release memory after use, causing gradual resource exhaustion. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/401.html

CVE-2024-56546

Medium

In the Linux kernel, the following vulnerability has been resolved: drivers: soc: xilinx: add the missing kfree in xlnx_add_cb_for_suspend() If we fail to allocate memory for cb_data by kmalloc, the memory allocation for eve_data is never freed, add the missing kfree() in the error handling path.

Package Linux Kernel

Published 2024-12-27

Last modified 2025-11-03

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

Weakness type

CWE-401

CVE-2024-56546 is a Memory Leak vulnerability

What is Memory Leak?

The product does not release memory after use, causing gradual resource exhaustion. Learn more on MITRE CWE

Affected versions

Linux kernel versions 5.19 and later are affected. Fixed in 6.1.120, 6.6.64, 6.11.11, 6.12.2, 6.13 and their respective stable series.

Affected from

≥ 5.19

Fixed in

✓ 6.1.120 6.1.x ✓ 6.6.64 6.6.x ✓ 6.11.11 6.11.x ✓ 6.12.2 6.12.x ✓ 6.13

References

The following references provide additional information about CVE-2024-56546 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Debian Security
https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
Kernel patch commit
https://git.kernel.org/stable/c/272168927f38bda46f6c1ed5f40de97689e7a5d2
Patch
Kernel patch commit
https://git.kernel.org/stable/c/44ed4f90a97ff6f339e50ac01db71544e0990efc
Patch
Kernel patch commit
https://git.kernel.org/stable/c/584d420771e1ad2bb74e19a19da8ae0fee0a6e1f
Patch

5 patch commits total View all on NVD

Details

CVE ID CVE-2024-56546

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-12-27

Modified 2025-11-03

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-56546?

CVE-2024-56546 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a Memory Leak flaw (CWE-401) . It affects Linux kernel versions from 5.19 onward and has been patched in 6.1.120, 6.6.64, 6.11.11 and others. CVE-2024-56546 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-56546?

CVE-2024-56546 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-2024-56546?

Yes — CVE-2024-56546 has been patched. Fixed versions include 6.1.120, 6.6.64, 6.11.11 and others. If you are running Linux kernel 5.19 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-56546 actively exploited?

No — CVE-2024-56546 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Memory Leak (CWE-401)?

The product does not release memory after use, causing gradual resource exhaustion. View CWE-401 on MITRE CWE →