What is CVE-2024-56746?

CVE-2024-56746 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 2.6.27 onward and patched in 4.19.325, 5.4.287, 5.10.231 and others. CVE-2024-56746 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-56746?

CVE-2024-56746 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-2024-56746?

Yes, CVE-2024-56746 has been patched. Fixed versions include 4.19.325, 5.4.287, 5.10.231 and others. If you are running Linux kernel 2.6.27 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-56746 actively exploited?

CVE-2024-56746 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-2024-56746

Medium

In the Linux kernel, the following vulnerability has been resolved: fbdev: sh7760fb: Fix a possible memory leak in sh7760fb_alloc_mem() When information such as info->screen_base is not ready, calling sh7760fb_free_mem() does not release memory correctly. Call dma_free_coherent() instead.

Package Linux Kernel

Published 2024-12-29

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-2024-56746 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 2.6.27 and later are affected. Fixed in 4.19.325, 5.4.287, 5.10.231, 5.15.174, 6.1.120, 6.6.64, 6.11.11, 6.12.2, 6.13 and their respective stable series.

Affected from

≥ 2.6.27

Fixed in

✓ 4.19.325 4.19.x ✓ 5.4.287 5.4.x ✓ 5.10.231 5.10.x ✓ 5.15.174 5.15.x ✓ 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

10 total

Kernel Git
https://git.kernel.org/stable/c/0d3fb3b3e9d66f7b6346e3b90bc0ff48683539ce

Patch
Kernel Git
https://git.kernel.org/stable/c/29216bb390e36daeebef66abaa02d9751330252b

Patch
Kernel Git
https://git.kernel.org/stable/c/3dd9df8e5f34c6fc4217a7498c1fb3c352d4afc2

Patch
Kernel Git
https://git.kernel.org/stable/c/40f4326ed05a3b3537556ff2a844958b9e779a98

Patch
Kernel Git
https://git.kernel.org/stable/c/bad37309c8b8bf1cfc893750df0951a804009ca0

Patch

Showing 5 of 10 references View all on NVD

Details

CVE ID CVE-2024-56746

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-12-29

Modified 2025-11-03

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-56746?

CVE-2024-56746 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 2.6.27 onward and has been patched in 4.19.325, 5.4.287, 5.10.231 and others. CVE-2024-56746 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-56746?

CVE-2024-56746 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-2024-56746?

Yes. CVE-2024-56746 has been patched. Fixed versions include 4.19.325, 5.4.287, 5.10.231 and others. If you are running Linux kernel 2.6.27 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-56746 actively exploited?

No. CVE-2024-56746 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.