CVE-2026-20901

Слабость

Improper input validation for some Intel(R) Xeon(R) processors within firmware may allow an escalation of privilege. Startup code and smm adversary with a privileged user combined with a high complexity attack may enable data alteration. This result may potentially occur via local access when attack requirements are present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (none) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (high) and availability (none) impacts.

Затронутые продукты

• intel xeon_bronze_3408u_firmware
• intel xeon_bronze_3408u
• intel xeon_gold_5403n_firmware
• intel xeon_gold_5403n
• intel xeon_gold_5411n_firmware
• intel xeon_gold_5411n
• intel xeon_gold_5412u_firmware
• intel xeon_gold_5412u

Источники

• https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01442.html