What is CVE-2024-40936?

CVE-2024-40936 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 6.3 onward and patched in 6.6.35, 6.9.6 and 6.10. CVE-2024-40936 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-40936?

CVE-2024-40936 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-2024-40936?

Yes, CVE-2024-40936 has been patched. Fixed versions include 6.6.35, 6.9.6 and 6.10. If you are running Linux kernel 6.3 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-40936 actively exploited?

CVE-2024-40936 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-2024-40936

Medium

In the Linux kernel, the following vulnerability has been resolved: cxl/region: Fix memregion leaks in devm_cxl_add_region() Move the mode verification to __create_region() before allocating the memregion to avoid the memregion leaks.

Package Linux Kernel

Published 2024-07-12

Last modified 2025-02-03

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-2024-40936 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 6.3 and later are affected. Fixed in 6.6.35, 6.9.6, 6.10 and their respective stable series.

Affected from

≥ 6.3

Fixed in

✓ 6.6.35 6.6.x ✓ 6.9.6 6.9.x ✓ 6.10

References

3 total

Kernel Git
https://git.kernel.org/stable/c/49ba7b515c4c0719b866d16f068e62d16a8a3dd1

Patch
Kernel Git
https://git.kernel.org/stable/c/bbb5d8746381c82f7e0fb6171094d375b492f266

Patch
Kernel Git
https://git.kernel.org/stable/c/d8316838aa0686da63a8be4194b7a17b0103ae4a

Patch

Details

CVE ID CVE-2024-40936

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-07-12

Modified 2025-02-03

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-40936?

CVE-2024-40936 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 6.3 onward and has been patched in 6.6.35, 6.9.6 and 6.10. CVE-2024-40936 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-40936?

CVE-2024-40936 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-2024-40936?

Yes. CVE-2024-40936 has been patched. Fixed versions include 6.6.35, 6.9.6 and 6.10. If you are running Linux kernel 6.3 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-40936 actively exploited?

No. CVE-2024-40936 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.