CVE-2023-53384

wifi: mwifiex: avoid possible NULL skb pointer dereference

Medium · published September 18, 2025

CVSS v3.1
5.5
EPSS
0%
Percentile
4.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00152 · 4.0th percentile
Published
2025-09-18T13:33Z
EPSS history
Timeline
  • 18 SEP 13:33Z
    wifi: mwifiex: avoid possible NULL skb pointer dereference
    cvelistv5