What is CVE-2023-53651?

CVE-2023-53651 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 4.15 onward and patched in 6.1.20, 6.2.3 and 6.3. CVE-2023-53651 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-53651?

CVE-2023-53651 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-2023-53651?

Yes, CVE-2023-53651 has been patched. Fixed versions include 6.1.20, 6.2.3 and 6.3. If you are running Linux kernel 4.15 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-53651 actively exploited?

CVE-2023-53651 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2023-53651

Medium

In the Linux kernel, the following vulnerability has been resolved: Input: exc3000 - properly stop timer on shutdown We need to stop the timer on driver unbind or probe failures, otherwise we get UAF/Oops.

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 4.15 and later are affected. Fixed in 6.1.20, 6.2.3, 6.3 and their respective stable series.

Affected from

≥ 4.15

Fixed in

✓ 6.1.20 6.1.x ✓ 6.2.3 6.2.x ✓ 6.3

References

The following references provide additional information about CVE-2023-53651 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/526a177ac6353d65057eadb5d6edafc168f64484
Patch
Kernel patch commit
https://git.kernel.org/stable/c/79c81d137d36f9635bbcbc3916c0cccb418a61dd
Patch
Kernel patch commit
https://git.kernel.org/stable/c/bee57c20fc0ca5ef9b9a53a0335eab2ac9e9cae1
Patch

Details

CVE ID CVE-2023-53651

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-2023-53651?

CVE-2023-53651 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 4.15 onward and has been patched in 6.1.20, 6.2.3 and 6.3. CVE-2023-53651 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-53651?

CVE-2023-53651 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-2023-53651?

Yes — CVE-2023-53651 has been patched. Fixed versions include 6.1.20, 6.2.3 and 6.3. If you are running Linux kernel 4.15 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-53651 actively exploited?

No — CVE-2023-53651 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.