CVE-2023-53302

wifi: iwl4965: Add missing check for create_singlethread_workqueue()

State: Published
Severity: 5.5 Medium
Published: Sep 16, 2025
Updated: May 11, 2026
Reserved: Sep 16, 2025

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-476 NULL Pointer Dereference

Affected Products

Product	Versions
LinuxLinux	b481de9ca074528fe8c429604e2777db8b89806a to before 874a85051cc8df8c5b928d8ff172b342cdc5424bAffected b481de9ca074528fe8c429604e2777db8b89806a to before c002d2741400771171b68dde9af937a4dfa0d1b3Affected b481de9ca074528fe8c429604e2777db8b89806a to before 3185d6cfc59277a77bf311dce701b7e25193f66aAffected b481de9ca074528fe8c429604e2777db8b89806a to before f15ef0ebcf56be1d4a3c9a7a80a1f1f82ab0eaadAffected b481de9ca074528fe8c429604e2777db8b89806a to before 2f85c768bea2057e3299d19514da9e932c4f92d2Affected b481de9ca074528fe8c429604e2777db8b89806a to before 878a7c8357764e08bc778bcb26127fc12a4b36b7Affected b481de9ca074528fe8c429604e2777db8b89806a to before 26e6775f75517ad6844fe5b79bc5f3fa8c22ee61Affected
LinuxLinux	2.6.24Affected before 2.6.24Not affected 4.19.276 through 4.19.Not affected 5.4.235 through 5.4.Not affected 5.10.173 through 5.10.Not affected 5.15.99 through 5.15.Not affected 6.1.16 through 6.1.Not affected 6.2.3 through 6.2.Not affected 6.3 and laterNot affected

Product

Versions

LinuxLinux

b481de9ca074528fe8c429604e2777db8b89806a to before 874a85051cc8df8c5b928d8ff172b342cdc5424bAffected
b481de9ca074528fe8c429604e2777db8b89806a to before c002d2741400771171b68dde9af937a4dfa0d1b3Affected
b481de9ca074528fe8c429604e2777db8b89806a to before 3185d6cfc59277a77bf311dce701b7e25193f66aAffected
b481de9ca074528fe8c429604e2777db8b89806a to before f15ef0ebcf56be1d4a3c9a7a80a1f1f82ab0eaadAffected
b481de9ca074528fe8c429604e2777db8b89806a to before 2f85c768bea2057e3299d19514da9e932c4f92d2Affected
b481de9ca074528fe8c429604e2777db8b89806a to before 878a7c8357764e08bc778bcb26127fc12a4b36b7Affected
b481de9ca074528fe8c429604e2777db8b89806a to before 26e6775f75517ad6844fe5b79bc5f3fa8c22ee61Affected

LinuxLinux

2.6.24Affected
before 2.6.24Not affected
4.19.276 through 4.19.*Not affected
5.4.235 through 5.4.*Not affected
5.10.173 through 5.10.*Not affected
5.15.99 through 5.15.*Not affected
6.1.16 through 6.1.*Not affected
6.2.3 through 6.2.*Not affected
6.3 and laterNot affected

References

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