CVE-2023-53277

wifi: iwl3945: 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: iwl3945: 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 3ae2fc4de12686f3fe695824169c1272c9f798f7Affected b481de9ca074528fe8c429604e2777db8b89806a to before 7e594abc0424e4f8c2385f11aefeaadcfc507aa5Affected b481de9ca074528fe8c429604e2777db8b89806a to before 2f80b3ff92514ebd227e5c55d3d1e480401b02b7Affected b481de9ca074528fe8c429604e2777db8b89806a to before 505c74c4c0b1c5bcaa98a93b3087c268156070f1Affected b481de9ca074528fe8c429604e2777db8b89806a to before 34f611204ae589bd5c494b10b41fb13436bd3c3fAffected b481de9ca074528fe8c429604e2777db8b89806a to before 17e07d6587c55015956862ef3b101fd45fa49fbcAffected b481de9ca074528fe8c429604e2777db8b89806a to before 1fdeb8b9f29dfd64805bb49475ac7566a3cb06cbAffected
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 3ae2fc4de12686f3fe695824169c1272c9f798f7Affected
b481de9ca074528fe8c429604e2777db8b89806a to before 7e594abc0424e4f8c2385f11aefeaadcfc507aa5Affected
b481de9ca074528fe8c429604e2777db8b89806a to before 2f80b3ff92514ebd227e5c55d3d1e480401b02b7Affected
b481de9ca074528fe8c429604e2777db8b89806a to before 505c74c4c0b1c5bcaa98a93b3087c268156070f1Affected
b481de9ca074528fe8c429604e2777db8b89806a to before 34f611204ae589bd5c494b10b41fb13436bd3c3fAffected
b481de9ca074528fe8c429604e2777db8b89806a to before 17e07d6587c55015956862ef3b101fd45fa49fbcAffected
b481de9ca074528fe8c429604e2777db8b89806a to before 1fdeb8b9f29dfd64805bb49475ac7566a3cb06cbAffected

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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