What is CVE-2024-40987?

CVE-2024-40987 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Out-of-bounds Write flaw (CWE-787), affecting Linux kernel versions from 4.2 onward and patched in 4.19.317, 5.4.279, 5.10.221 and others. CVE-2024-40987 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-40987?

CVE-2024-40987 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-2024-40987?

Yes, CVE-2024-40987 has been patched. Fixed versions include 4.19.317, 5.4.279, 5.10.221 and others. If you are running Linux kernel 4.2 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-40987 actively exploited?

CVE-2024-40987 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Out-of-bounds Write (CWE-787)?

The product writes data past the end or before the beginning of the intended buffer. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/787.html

CVE-2024-40987

Medium

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix UBSAN warning in kv_dpm.c Adds bounds check for sumo_vid_mapping_entry.

Package Linux Kernel

Published 2024-07-12

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-787

CVE-2024-40987 is a Out-of-bounds Write vulnerability

What is Out-of-bounds Write?

The product writes data past the end or before the beginning of the intended buffer. Learn more on MITRE CWE

Affected versions

Linux kernel versions 4.2 and later are affected. Fixed in 4.19.317, 5.4.279, 5.10.221, 5.15.162, 6.1.96, 6.6.36, 6.9.7, 6.10 and their respective stable series.

Affected from

≥ 4.2

Fixed in

✓ 4.19.317 4.19.x ✓ 5.4.279 5.4.x ✓ 5.10.221 5.10.x ✓ 5.15.162 5.15.x ✓ 6.1.96 6.1.x ✓ 6.6.36 6.6.x ✓ 6.9.7 6.9.x ✓ 6.10

References

9 total

Kernel Git
https://git.kernel.org/stable/c/1c44f7759a5650acf8f13d3e0a184d09e03be9e4

Patch
Kernel Git
https://git.kernel.org/stable/c/4ad7d49059358ceadd352b4e2511425bdb68f400

Patch
Kernel Git
https://git.kernel.org/stable/c/4d020c1dbd2b2304f44d003e6de956ae570049dc

Patch
Kernel Git
https://git.kernel.org/stable/c/b065d79ed06a0bb4377bc6dcc2ff0cb1f55a798f

Patch
Kernel Git
https://git.kernel.org/stable/c/b0d612619ed70cab476c77b19e00d13aa414e14f

Patch

Showing 5 of 9 references View all on NVD

Details

CVE ID CVE-2024-40987

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-07-12

Modified 2025-11-03

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-40987?

CVE-2024-40987 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as an Out-of-bounds Write flaw (CWE-787) . It affects Linux kernel versions from 4.2 onward and has been patched in 4.19.317, 5.4.279, 5.10.221 and others. CVE-2024-40987 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-40987?

CVE-2024-40987 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-2024-40987?

Yes. CVE-2024-40987 has been patched. Fixed versions include 4.19.317, 5.4.279, 5.10.221 and others. If you are running Linux kernel 4.2 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-40987 actively exploited?

No. CVE-2024-40987 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.