Bug 2396428 (CVE-2023-53384) - CVE-2023-53384 kernel: wifi: mwifiex: avoid possible NULL skb pointer dereference
Summary: CVE-2023-53384 kernel: wifi: mwifiex: avoid possible NULL skb pointer derefer...
Keywords:
Status: NEW
Alias: CVE-2023-53384
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-09-18 14:04 UTC by OSIDB Bzimport
Modified: 2025-09-18 16:53 UTC (History)
0 users

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Description OSIDB Bzimport 2025-09-18 14:04:37 UTC 
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.
Comment 1 Keith Grant 2025-09-18 16:50:30 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025091857-CVE-2023-53384-042e@gregkh/T
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