CVE-2022-50321
wifi: brcmfmac: fix potential memory leak in brcmf_netdev_start_xmit()
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix potential memory leak in brcmf_netdev_start_xmit() The brcmf_netdev_start_xmit() returns NETDEV_TX_OK without freeing skb in case of pskb_expand_head() fails, add dev_kfree_skb() to fix it. Compile tested only.
INFO
Published Date :
Sept. 15, 2025, 3:15 p.m.
Last Modified :
Sept. 15, 2025, 3:22 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products
The following products are affected by CVE-2022-50321
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Free skb when pskb_expand_head fails.
- Apply the provided kernel patch.
- Update the Linux kernel to the patched version.
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-2022-50321.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-50321 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-2022-50321
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-2022-50321 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-50321 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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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Sep. 15, 2025
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix potential memory leak in brcmf_netdev_start_xmit() The brcmf_netdev_start_xmit() returns NETDEV_TX_OK without freeing skb in case of pskb_expand_head() fails, add dev_kfree_skb() to fix it. Compile tested only. Added Reference https://git.kernel.org/stable/c/212fde3fe76e962598ce1d47b97cc78afdfc71b3 Added Reference https://git.kernel.org/stable/c/3a4d18318f473e97d628f410215b3fac32d07aed Added Reference https://git.kernel.org/stable/c/4c55fdebc1c358de96bfab52ed309d58a3ba66ef Added Reference https://git.kernel.org/stable/c/7f159116d620615779adbf88a5d94713702216d8 Added Reference https://git.kernel.org/stable/c/d869a189505224601e310c7769cb90b0e2f60b31 Added Reference https://git.kernel.org/stable/c/e08e6812efb6a8c676e733de0518594d1517e0d9 Added Reference https://git.kernel.org/stable/c/e5d01e85cf46628647cd696cb72ba4659b18967f Added Reference https://git.kernel.org/stable/c/e8ef89e5b89ee041a94eecfb6c31fcc237f9168c