CVE-2023-53209
BaseFortify
Publication date: 2025-09-15
Last updated on: 2025-12-04
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 | to 6.1.42 (exc) |
| linux | linux_kernel | From 6.2 (inc) to 6.4.7 (exc) |
Helpful Resources
Exploitability
| 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
Can you explain this vulnerability to me?
This vulnerability is a potential NULL pointer dereference in the Linux kernel's mac80211_hwsim component. Specifically, in the function mac80211_hwsim_select_tx_link(), the 'sta' pointer might be NULL, and if not checked before use, it could lead to a NULL dereference error. The fix involves adding a check to ensure 'sta' is not NULL before accessing it.
How can this vulnerability impact me? :
If exploited, this vulnerability could cause the affected system to crash or behave unpredictably due to a NULL pointer dereference in the kernel's wireless simulation component. This could lead to denial of service or system instability.