CVE-2023-53589
BaseFortify
Publication date: 2025-10-04
Last updated on: 2026-03-21
Assigner: kernel.org
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | 6.4 |
| linux | linux_kernel | 6.4 |
| linux | linux_kernel | From 6.2 (inc) to 6.3.4 (exc) |
| linux | linux_kernel | From 5.16 (inc) to 6.1.30 (exc) |
| linux | linux_kernel | From 5.11 (inc) to 5.15.113 (exc) |
| linux | linux_kernel | From 5.5 (inc) to 5.10.181 (exc) |
| linux | linux_kernel | From 4.1 (inc) to 5.4.244 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability occurs in the Linux kernel's iwlwifi driver where it does not properly validate the number of channels (n_channels) reported by the firmware in an MCC response. If the firmware sends a corrupted response with an excessively large n_channels value, the driver may copy too much uninitialized memory or even crash due to running out of allocated memory space. The fix involves stricter length checks to prevent this issue.
How can this vulnerability impact me? :
This vulnerability can cause the Linux system to crash or behave unpredictably if the iwlwifi driver processes a corrupted firmware response with an invalid n_channels value. This could lead to denial of service or system instability.