What is CVE-2023-53631?

CVE-2023-53631 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 5.11 onward and patched in 5.15.132, 6.1.53, 6.4.16 and others. CVE-2023-53631 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-53631?

CVE-2023-53631 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-2023-53631?

Yes, CVE-2023-53631 has been patched. Fixed versions include 5.15.132, 6.1.53, 6.4.16 and others. If you are running Linux kernel 5.11 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-53631 actively exploited?

CVE-2023-53631 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2023-53631

Medium

In the Linux kernel, the following vulnerability has been resolved: platform/x86: dell-sysman: Fix reference leak If a duplicate attribute is found using kset_find_obj(), a reference to that attribute is returned. This means that we need to dispose it accordingly. Use kobject_put() to dispose the duplicate attribute in such a case. Compile-tested only.

Package Linux Kernel

Published 2025-10-07

Last modified 2026-02-03

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

Affected versions

Linux kernel versions 5.11 and later are affected. Fixed in 5.15.132, 6.1.53, 6.4.16, 6.5.3, 6.6 and their respective stable series.

Affected from

≥ 5.11

Fixed in

✓ 5.15.132 5.15.x ✓ 6.1.53 6.1.x ✓ 6.4.16 6.4.x ✓ 6.5.3 6.5.x ✓ 6.6

References

The following references provide additional information about CVE-2023-53631 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/6ced15ff1746006476f1407fe722911a45a7874d
Patch
Kernel patch commit
https://git.kernel.org/stable/c/7295a996fdab7bf83dc3d4078fa8b139b8e0a1bf
Patch
Kernel patch commit
https://git.kernel.org/stable/c/9d9e03bec147407826266580e7d6ec427241d859
Patch

5 patch commits total View all on NVD

Details

CVE ID CVE-2023-53631

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-10-07

Modified 2026-02-03

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-53631?

CVE-2023-53631 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.11 onward and has been patched in 5.15.132, 6.1.53, 6.4.16 and others. CVE-2023-53631 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-53631?

CVE-2023-53631 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-2023-53631?

Yes — CVE-2023-53631 has been patched. Fixed versions include 5.15.132, 6.1.53, 6.4.16 and others. If you are running Linux kernel 5.11 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-53631 actively exploited?

No — CVE-2023-53631 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.