SB2025100142 - Memory leak in Linux kernel marvell mwifiex driver
Published: October 1, 2025
Security Bulletin ID
SB2025100142
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2025-39891)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the _mwifiex_fw_dpc() and mwifiex_uninit_sw() functions in drivers/net/wireless/marvell/mwifiex/main.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/05daef0442d28350a1a0d6d0e2cab4a7a91df475
- https://git.kernel.org/stable/c/06616410a3e5e6cd1de5b7cbc668f1a7edeedad9
- https://git.kernel.org/stable/c/0e20450829ca3c1dbc2db536391537c57a40fe0b
- https://git.kernel.org/stable/c/32c124c9c03aa755cbaf60ef7f76afd918d47659
- https://git.kernel.org/stable/c/5285b7009dc1e09d5bb9e05fae82e1a807882dbc
- https://git.kernel.org/stable/c/9df29aa5637d94d24f7c5f054ef4feaa7b766111
- https://git.kernel.org/stable/c/9eb0118b3470b4d2e4e3bbb1fc088b30c0285d65
- https://git.kernel.org/stable/c/acdf26a912190fc6746e2a890d7d0338190527b4