SB2026011406 - Out-of-bounds read in Linux kernel rtlwifi rtl8192cu driver
Published: January 14, 2026
Security Bulletin ID
SB2026011406
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-2025-71100)
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 rtl92cu_tx_fill_desc() function in drivers/net/wireless/realtek/rtlwifi/rtl8192cu/trx.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.