Buffer overflow in Intel products - CVE-2021-26257

Vulnerability identifier: #VU66423

CSH Severity: Low

CVSS v4: 5.2 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-26257

CWE-ID: CWE-119

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 error in firmware. A local user can trigger memory corruption and cause a denial of service condition on the target system.

Intel Dual Band Wireless-AC 8265
Killer Wireless-AC 1550
Killer Wi-Fi 6 AX1650
Killer Wi-Fi 6E AX1675
Killer Wi-Fi 6E AX1690
Intel Dual Band Wireless-AC 3165
Intel Wireless 7265 (Rev D) Family
Intel Dual Band Wireless-AC 3168
Intel Dual Band Wireless-AC 8260
Intel Wi-Fi 6 AX411
Intel Wireless-AC 9260
Intel Wireless-AC 9461
Intel Wireless-AC 9462
Intel Wireless-AC 9560
Intel Wi-Fi 6 AX200
Intel Wi-Fi 6 AX201
Intel Wi-Fi 6 AX210
Intel Wi-Fi 6 AX211

Install updates from vendor's website.

Intel Dual Band Wireless-AC 8265 - update to 22.120
Killer Wireless-AC 1550 - update to 22.120
Killer Wi-Fi 6 AX1650 - update to 22.120
Killer Wi-Fi 6E AX1675 - update to 22.120
Killer Wi-Fi 6E AX1690 - update to 22.120
Intel Dual Band Wireless-AC 3165 - update to 22.120
Intel Wireless 7265 (Rev D) Family - update to 22.120
Intel Dual Band Wireless-AC 3168 - update to 22.120
Intel Dual Band Wireless-AC 8260 - update to 22.120
Intel Wi-Fi 6 AX411 - update to 22.120
Intel Wireless-AC 9260 - update to 22.120
Intel Wireless-AC 9461 - update to 22.120
Intel Wireless-AC 9462 - update to 22.120
Intel Wireless-AC 9560 - update to 22.120
Intel Wi-Fi 6 AX200 - update to 22.120
Intel Wi-Fi 6 AX201 - update to 22.120
Intel Wi-Fi 6 AX210 - update to 22.120
Intel Wi-Fi 6 AX211 - update to 22.120

• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00628.html

• Multiple vulnerabilities in Intel Wireless Bluetooth and Killer Bluetooth