CVE-2023-53277
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-09-16
Last updated on: 2025-12-03
Assigner: kernel.org
Description
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.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | From 2.6.24 (inc) to 4.19.276 (exc) |
| linux | linux_kernel | From 4.20 (inc) to 5.4.235 (exc) |
| linux | linux_kernel | From 5.5 (inc) to 5.10.173 (exc) |
| linux | linux_kernel | From 5.11 (inc) to 5.15.99 (exc) |
| linux | linux_kernel | From 5.16 (inc) to 6.1.16 (exc) |
| linux | linux_kernel | From 6.2 (inc) to 6.2.3 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-476 | The product dereferences a pointer that it expects to be valid but is NULL. |
Attack-Flow Graph
AI Powered Q&A
How can this vulnerability impact me? :
The impact of this vulnerability is that it can cause a NULL pointer dereference in the wifi driver, potentially leading to system crashes or instability when the affected code path is executed.
Can you explain this vulnerability to me?
This vulnerability in the Linux kernel's iwl3945 wifi driver is due to a missing check for the return value of the function create_singlethread_workqueue. Without this check, if create_singlethread_workqueue returns NULL, it can lead to a NULL pointer dereference, which may cause the system to crash or behave unexpectedly.
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