Intel® Branded NUC’s Vulnerable to SMM Exploit
Intel is releasing updated BIOS firmware for a privilege escalation issue. This issue affects Intel® NUC Kits listed in the affected products section below. The issue identified is a method that enables malicious code to gain access to System Management Mode (SMM).
A malicious attacker with local administrative access can leverage the vulnerable BIOS to gain access to System Management Mode (SMM) and take full control of the platform. Intel products that are listed below should apply the update.
|Model Number||BIOS SKU||Version Fixed|
NUC6i3SYB (Swift Canyon - i3)
NUC6i5SYB (Swift Canyon - i5)
NUC5PGYH (Grass Canyon – Pentium)
NUC5CPYH (Pinnacle Canyon – Celeron)
NUC5PPYH (Pinnacle Canyon – Pentium)
|NUC6i7KYB (Skull Canyon - i7)||KYSKLi70.86A||KY0041|
NUC5i7RYKH (Rock Canyon - i7)
NUC5i5RYB (Rock Canyon - i5)
NUC5i3RYB (Rock Canyon - i3)
STK1AW32SC (Sterling City)
STK1A32SC (Sterling City)
|STK2mv64CC (Cedar City – m3)||CCSKLm30.86a||CCV00042|
|STK2m3w64CC (Cedar City - m5)||CCSKLm5v.86A||CC0042|
|NUC5i3MYBE (Maple Canyon - i5)||MYBDWi5v.86A||MYi30039|
|NUC5i3MYBE (Maple Canyon - i3)||MYBDWi30.86A||MYi50032|
|STK2m3W64CC (Cedar City - m3)||CCSKLm30.86A||CC0046|
|STCK1A32WFC (Fall City)||FCBYT10H.86A||FC0032|
D54250WYB (Wilson Wilson – i5)
D34010WYB (Wilson Wilson – i3)
|D53427HYE (Horse Canyon/Rend Lake)||RKPPT10H.86A||RK9043|
D53427HYE (Horse Canyon/Rend Lake)
Intel highly recommends updating the BIOS of all Intel® NUC’s to the recommended BIOS or later listed in the table of affected products.
Intel would like to thank Security Researcher Dmytro Oleksiuk for discovering and reporting this issue.
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