What is CVE-2026-31461?

CVE-2026-31461 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 6.13 onward and patched in 6.18.21, 6.19.11 and 7.0. CVE-2026-31461 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-31461?

CVE-2026-31461 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-2026-31461?

Yes, CVE-2026-31461 has been patched. Fixed versions include 6.18.21, 6.19.11 and 7.0. If you are running Linux kernel 6.13 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-31461 actively exploited?

CVE-2026-31461 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-2026-31461

Medium

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix drm_edid leak in amdgpu_dm [WHAT] When a sink is connected, aconnector->drm_edid was overwritten without freeing the previous allocation, causing a memory leak on resume. [HOW] Free the previous drm_edid before updating it. (cherry picked from commit 52024a94e7111366141cfc5d888b2ef011f879e5)

Package Linux Kernel

Published 2026-04-22

Last modified 2026-05-07

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-2026-31461 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 6.13 and later are affected. Fixed in 6.18.21, 6.19.11, 7.0 and their respective stable series.

Affected from

≥ 6.13

Fixed in

✓ 6.18.21 6.18.x ✓ 6.19.11 6.19.x ✓ 7.0

References

The following references provide additional information about CVE-2026-31461 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/37c2caa167b0b8aca4f74c32404c5288b876a2a3
Patch
Kernel patch commit
https://git.kernel.org/stable/c/52db857e94b9be4e6315586602b0257d1d2b165a
Patch
Kernel patch commit
https://git.kernel.org/stable/c/eb95595194e4755b62360aa821f40a79b0953105
Patch

Details

CVE ID CVE-2026-31461

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2026-04-22

Modified 2026-05-07

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2026-31461?

CVE-2026-31461 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 6.13 onward and has been patched in 6.18.21, 6.19.11 and 7.0. CVE-2026-31461 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2026-31461?

CVE-2026-31461 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-2026-31461?

Yes — CVE-2026-31461 has been patched. Fixed versions include 6.18.21, 6.19.11 and 7.0. If you are running Linux kernel 6.13 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-31461 actively exploited?

No — CVE-2026-31461 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 →