What is CVE-2023-53488?

CVE-2023-53488 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 4.3 onward and patched in 4.14.323, 4.19.292, 5.4.254 and others. CVE-2023-53488 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-53488?

CVE-2023-53488 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-2023-53488?

Yes, CVE-2023-53488 has been patched. Fixed versions include 4.14.323, 4.19.292, 5.4.254 and others. If you are running Linux kernel 4.3 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-53488 actively exploited?

CVE-2023-53488 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2023-53488

Medium

In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: Fix possible panic during hotplug remove During hotplug remove it is possible that the update counters work might be pending, and may run after memory has been freed. Cancel the update counters work before freeing memory.

Package Linux Kernel

Published 2025-10-01

Last modified 2026-01-21

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 4.3 and later are affected. Fixed in 4.14.323, 4.19.292, 5.4.254, 5.10.191, 5.15.127, 6.1.46, 6.4.11, 6.5 and their respective stable series.

Affected from

≥ 4.3

Fixed in

✓ 4.14.323 4.14.x ✓ 4.19.292 4.19.x ✓ 5.4.254 5.4.x ✓ 5.10.191 5.10.x ✓ 5.15.127 5.15.x ✓ 6.1.46 6.1.x ✓ 6.4.11 6.4.x ✓ 6.5

References

The following references provide additional information about CVE-2023-53488 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/33c677d1e087e437c7dcaad8d73402cf6add282e
Patch
Kernel patch commit
https://git.kernel.org/stable/c/4fdfaef71fced490835145631a795497646f4555
Patch
Kernel patch commit
https://git.kernel.org/stable/c/5e72f33ddfdb69cb21c1b59d31bbd3498d31b14a
Patch

8 patch commits total View all on NVD

Details

CVE ID CVE-2023-53488

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-10-01

Modified 2026-01-21

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-53488?

CVE-2023-53488 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 4.3 onward and has been patched in 4.14.323, 4.19.292, 5.4.254 and others. CVE-2023-53488 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-53488?

CVE-2023-53488 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-2023-53488?

Yes — CVE-2023-53488 has been patched. Fixed versions include 4.14.323, 4.19.292, 5.4.254 and others. If you are running Linux kernel 4.3 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-53488 actively exploited?

No — CVE-2023-53488 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.