CVE-2023-53384
wifi: mwifiex: avoid possible NULL skb pointer dereference
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.
INFO
Published Date :
Sept. 18, 2025, 2:15 p.m.
Last Modified :
Jan. 14, 2026, 7:16 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Check skb_copy return value in mwifiex_handle_uap_rx_forward.
- Drop original skb on copying failure.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2023-53384.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-53384 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2023-53384
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-53384 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-53384 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jan. 14, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-476 -
Initial Analysis by [email protected]
Dec. 11, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-476 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.295 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.5 up to (excluding) 6.5.3 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.4.16 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.53 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.132 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.195 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.257 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.7 up to (excluding) 4.14.326 Added Reference Type kernel.org: https://git.kernel.org/stable/c/0c57f9ad2c3ed43abb764b0247d610ff7fdb7a00 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/139d285e7695279f030dbb172e2d0245425c86c6 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/231086e6a36316b823654f4535653f22d6344420 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/35a7a1ce7c7d61664ee54f5239a1f120ab95a87e Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/7e7197e4d6a1bc72a774590d8765909f898be1dc Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/bef85d58f7709896ed8426560ad117a73a37762f Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/c2509f7c37355e1f0bd5b7087815b845fd383723 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/d155c5f64cefacdc6a9a26d40be53ee2903c28ff Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/d7fd24b8d1bb54c5bcf583139e11a5e651e0263c Types: Patch -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Sep. 18, 2025
Action Type Old Value New Value Added 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. Added Reference https://git.kernel.org/stable/c/0c57f9ad2c3ed43abb764b0247d610ff7fdb7a00 Added Reference https://git.kernel.org/stable/c/139d285e7695279f030dbb172e2d0245425c86c6 Added Reference https://git.kernel.org/stable/c/231086e6a36316b823654f4535653f22d6344420 Added Reference https://git.kernel.org/stable/c/35a7a1ce7c7d61664ee54f5239a1f120ab95a87e Added Reference https://git.kernel.org/stable/c/7e7197e4d6a1bc72a774590d8765909f898be1dc Added Reference https://git.kernel.org/stable/c/bef85d58f7709896ed8426560ad117a73a37762f Added Reference https://git.kernel.org/stable/c/c2509f7c37355e1f0bd5b7087815b845fd383723 Added Reference https://git.kernel.org/stable/c/d155c5f64cefacdc6a9a26d40be53ee2903c28ff Added Reference https://git.kernel.org/stable/c/d7fd24b8d1bb54c5bcf583139e11a5e651e0263c