What is CVE-2023-53302?

CVE-2023-53302 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a NULL Pointer Dereference flaw (CWE-476), affecting Linux kernel versions from 2.6.24 onward and patched in 4.19.276, 5.4.235, 5.10.173 and others. CVE-2023-53302 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-53302?

CVE-2023-53302 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-2023-53302?

Yes, CVE-2023-53302 has been patched. Fixed versions include 4.19.276, 5.4.235, 5.10.173 and others. If you are running Linux kernel 2.6.24 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-53302 actively exploited?

CVE-2023-53302 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/476.html

CVE-2023-53302

Medium

In the Linux kernel, the following vulnerability has been resolved: wifi: iwl4965: Add missing check for create_singlethread_workqueue() Add the check for the return value of the create_singlethread_workqueue() in order to avoid NULL pointer dereference.

Package Linux Kernel

Published 2025-09-16

Last modified 2026-01-14

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-476

CVE-2023-53302 is a NULL Pointer Dereference vulnerability

What is NULL Pointer Dereference?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE

Affected versions

Linux kernel versions 2.6.24 and later are affected. Fixed in 4.19.276, 5.4.235, 5.10.173, 5.15.99, 6.1.16, 6.2.3, 6.3 and their respective stable series.

Affected from

≥ 2.6.24

Fixed in

✓ 4.19.276 4.19.x ✓ 5.4.235 5.4.x ✓ 5.10.173 5.10.x ✓ 5.15.99 5.15.x ✓ 6.1.16 6.1.x ✓ 6.2.3 6.2.x ✓ 6.3

References

The following references provide additional information about CVE-2023-53302 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/26e6775f75517ad6844fe5b79bc5f3fa8c22ee61
Patch
Kernel patch commit
https://git.kernel.org/stable/c/2f85c768bea2057e3299d19514da9e932c4f92d2
Patch
Kernel patch commit
https://git.kernel.org/stable/c/3185d6cfc59277a77bf311dce701b7e25193f66a
Patch

7 patch commits total View all on NVD

Details

CVE ID CVE-2023-53302

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-09-16

Modified 2026-01-14

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-53302?

CVE-2023-53302 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . It affects Linux kernel versions from 2.6.24 onward and has been patched in 4.19.276, 5.4.235, 5.10.173 and others. CVE-2023-53302 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-53302?

CVE-2023-53302 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-2023-53302?

Yes — CVE-2023-53302 has been patched. Fixed versions include 4.19.276, 5.4.235, 5.10.173 and others. If you are running Linux kernel 2.6.24 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-53302 actively exploited?

No — CVE-2023-53302 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. View CWE-476 on MITRE CWE →