CVE-2023-53384
BaseFortify
Publication date: 2025-09-18
Last updated on: 2025-12-11
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 | From 3.7 (inc) to 4.14.326 (exc) |
| linux | linux_kernel | From 4.15 (inc) to 4.19.295 (exc) |
| linux | linux_kernel | From 4.20 (inc) to 5.4.257 (exc) |
| linux | linux_kernel | From 5.5 (inc) to 5.10.195 (exc) |
| linux | linux_kernel | From 5.11 (inc) to 5.15.132 (exc) |
| linux | linux_kernel | From 5.16 (inc) to 6.1.53 (exc) |
| linux | linux_kernel | From 6.2 (inc) to 6.4.16 (exc) |
| linux | linux_kernel | From 6.5 (inc) to 6.5.3 (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 mwifiex wifi driver. Specifically, in the function mwifiex_handle_uap_rx_forward(), the code did not properly check the return value of skb_copy(), which could result in a NULL pointer dereference in mwifiex_uap_queue_bridged_pkt(). The fix involves always checking the return value of skb_copy() and dropping the original skb if copying fails to avoid this issue.
How can this vulnerability impact me? :
If exploited, this vulnerability could cause the Linux kernel to dereference a NULL pointer, potentially leading to a kernel crash or denial of service in the wifi driver. This could disrupt network connectivity or system stability on affected devices.