SB2024060344 - Improper locking in Linux kernel marvell mwifiex driver
Published: June 3, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024060344
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) Improper locking (CVE-ID: CVE-2021-47349)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the mwifiex_uninit_sw() function 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/a3041d39d3c14da97fa3476835aba043ba810cf0
- https://git.kernel.org/stable/c/35af69c7c0490fdccfc159c6a87e4d1dc070838a
- https://git.kernel.org/stable/c/1f9482aa8d412b4ba06ce6ab8e333fb8ca29a06e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14