SB20250916148 - Out-of-bounds read in Linux kernel brcm80211 brcmfmac driver
Published: September 16, 2025 Updated: September 22, 2025
Security Bulletin ID
SB20250916148
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) Out-of-bounds read (CVE-ID: CVE-2022-50258)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the brcmf_c_preinit_dcmds() function in drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.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/0a06cadcc2a0044e4a117cc0e61436fc3a0dad69
- https://git.kernel.org/stable/c/17dbe90e13f52848c460d253f15b765038ec6dc0
- https://git.kernel.org/stable/c/3a3a5e3f94068cd562d62a57da6983c8cd07d53c
- https://git.kernel.org/stable/c/881f50d76c3892262730ddf5c894eb00310e736c
- https://git.kernel.org/stable/c/89243a7b0ea19606ba1c2873c9d569026ccb344f
- https://git.kernel.org/stable/c/ba166e0ebdde3dfa833f0a3edaf2b2934d4a87f7
- https://git.kernel.org/stable/c/d481fd6064bf215d7c5068e15aa390c3b16c9cd0
- https://git.kernel.org/stable/c/d6ef66194bb4a6c18f5b9649bf62597909b040e4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.173