Out-of-bounds read in Intel products - CVE-2021-26254

Vulnerability identifier: #VU66432

CSH Severity: Low

CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-26254

CWE-ID: CWE-125

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition. A local administrator can trigger out-of-bounds read error and cause a denial of service condition on the system.

Killer Wi-Fi 6E AX1690
Killer Wi-Fi 6E AX1675
Killer Wi-Fi 6 AX1650
Intel Wi-Fi 6E AX411
Intel Wi-Fi 6E AX211
Intel Wi-Fi 6E AX210
Intel Wi-Fi 6 AX201
Intel Wi-Fi 6 AX200

Install updates from vendor's website.

Killer Wi-Fi 6E AX1690 - update to 3.1122.1105
Killer Wi-Fi 6E AX1675 - update to 3.1122.1105
Killer Wi-Fi 6 AX1650 - update to 3.1122.1105
Intel Wi-Fi 6E AX411 - update to 22.120
Intel Wi-Fi 6E AX211 - update to 22.120
Intel Wi-Fi 6E AX210 - update to 22.120
Intel Wi-Fi 6 AX201 - update to 22.120
Intel Wi-Fi 6 AX200 - update to 22.120

• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00621.html

• Multiple vulnerabilities in Intel PROSet/Wireless WiFi and Killer WiFi