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Product · GIGABYTE

UEFI-GenericComponentSmmEntry

2 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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  • High 8.2
    CVE-2025-7026 Public exploit

    SMM Arbitrary Write via Unchecked RBX Pointer in CommandRcx0

    A vulnerability in the Software SMI handler (SwSmiInputValue 0xB2) allows a local attacker to control the RBX register, which is used as an unchecked pointer in the CommandRcx0 function. If the contents at RBX match certain expected values (e.g., '$DB$' or '2…

    GIGABYTE UEFI-GenericComponentSmmEntry
  • High 8.2
    CVE-2025-7027

    SMM Arbitrary Write via Dual-Controlled Pointers in CommandRcx1

    A vulnerability in the Software SMI handler (SwSmiInputValue 0xB2) allows a local attacker to control both the read and write addresses used by the CommandRcx1 function. The write target is derived from an unvalidated UEFI NVRAM variable (SetupXtuBufferAddres…

    GIGABYTE UEFI-GenericComponentSmmEntry