CVE-2023-53384
Published: September 19, 2025Last modified: September 19, 2025
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: avoid possible NULL skb pointer dereference In 'mwifiex_handle_uap_rx_forward()', always check the value returned by 'skb_copy()' to avoid potential NULL pointer dereference in 'mwifiex_uap_queue_bridged_pkt()', and drop original skb in case of copying failure. Found by Linux Verification Center (linuxtesting.org) with SVACE.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.53-r0) |
| 25 LTS | linux-lts | Not affected (6.6.89-r0) | |
| Stream | linux-lts | Fixed (6.6.58-r0) |
References
- https://git.kernel.org/stable/c/0c57f9ad2c3ed43abb764b0247d610ff7fdb7a00
- https://git.kernel.org/stable/c/139d285e7695279f030dbb172e2d0245425c86c6
- https://git.kernel.org/stable/c/231086e6a36316b823654f4535653f22d6344420
- https://git.kernel.org/stable/c/35a7a1ce7c7d61664ee54f5239a1f120ab95a87e
- https://git.kernel.org/stable/c/7e7197e4d6a1bc72a774590d8765909f898be1dc
- https://git.kernel.org/stable/c/bef85d58f7709896ed8426560ad117a73a37762f
- https://git.kernel.org/stable/c/c2509f7c37355e1f0bd5b7087815b845fd383723
- https://git.kernel.org/stable/c/d155c5f64cefacdc6a9a26d40be53ee2903c28ff
- https://git.kernel.org/stable/c/d7fd24b8d1bb54c5bcf583139e11a5e651e0263c