What is CVE-2023-53567?

CVE-2023-53567 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 3.15 onward and patched in 4.19.283, 5.4.243, 5.10.180 and others. CVE-2023-53567 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-53567?

CVE-2023-53567 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-2023-53567?

Yes, CVE-2023-53567 has been patched. Fixed versions include 4.19.283, 5.4.243, 5.10.180 and others. If you are running Linux kernel 3.15 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-53567 actively exploited?

CVE-2023-53567 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-2023-53567

Medium

In the Linux kernel, the following vulnerability has been resolved: spi: qup: Don't skip cleanup in remove's error path Returning early in a platform driver's remove callback is wrong. In this case the dma resources are not released in the error path. this is never retried later and so this is a permanent leak. To fix this, only skip hardware disabling if waking the device fails.

Package Linux Kernel

Published 2025-10-04

Last modified 2026-03-21

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

Weakness type

CWE-401

CVE-2023-53567 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 3.15 and later are affected. Fixed in 4.19.283, 5.4.243, 5.10.180, 5.15.111, 6.1.28, 6.2.15, 6.3.2, 6.4 and their respective stable series.

Affected from

≥ 3.15

Fixed in

✓ 4.19.283 4.19.x ✓ 5.4.243 5.4.x ✓ 5.10.180 5.10.x ✓ 5.15.111 5.15.x ✓ 6.1.28 6.1.x ✓ 6.2.15 6.2.x ✓ 6.3.2 6.3.x ✓ 6.4

References

The following references provide additional information about CVE-2023-53567 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/2d0f63077f481f11a07f20eab1c1f4367dfaef32
Patch
Kernel patch commit
https://git.kernel.org/stable/c/49c17fccae36505550c9121891722fff337f148a
Patch
Kernel patch commit
https://git.kernel.org/stable/c/55ecdcd12bc176b86fecbcb125ac814ac8fe857a
Patch

8 patch commits total View all on NVD

Details

CVE ID CVE-2023-53567

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-10-04

Modified 2026-03-21

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-53567?

CVE-2023-53567 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 3.15 onward and has been patched in 4.19.283, 5.4.243, 5.10.180 and others. CVE-2023-53567 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-53567?

CVE-2023-53567 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-2023-53567?

Yes — CVE-2023-53567 has been patched. Fixed versions include 4.19.283, 5.4.243, 5.10.180 and others. If you are running Linux kernel 3.15 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-53567 actively exploited?

No — CVE-2023-53567 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 →