CVE Feed

    Dashboard / CVE / CVE-2021-26391

    CVE-2021-26391

    Insufficient verification of multiple header signatures while loading a Trusted Application (TA) may allow an attacker with privileges to gain code execution in that TA or the OS/kernel.

    Published:Nov 8, 2022
    Last Modified:May 1, 2025
    EPS:Nov 9, 2022
    EPSS Score:0.00033
    CVSS Score:7.8

    Affected Products

    Vendor
    Amd
    Product
    Enterprise Driver
    Vendor
    Amd
    Product
    Radeon Pro Software
    Vendor
    Amd
    Product
    Radeon Pro W5500
    Vendor
    Amd
    Product
    Radeon Pro W5500x
    Vendor
    Amd
    Product
    Radeon Pro W5700
    Vendor
    Amd
    Product
    Radeon Pro W5700x
    Vendor
    Amd
    Product
    Radeon Pro W6300m
    Vendor
    Amd
    Product
    Radeon Pro W6400
    Vendor
    Amd
    Product
    Radeon Pro W6500m
    Vendor
    Amd
    Product
    Radeon Pro W6600
    Vendor
    Amd
    Product
    Radeon Pro W6600m
    Vendor
    Amd
    Product
    Radeon Pro W6600x
    Vendor
    Amd
    Product
    Radeon Pro W6800
    Vendor
    Amd
    Product
    Radeon Pro W6800x
    Vendor
    Amd
    Product
    Radeon Pro W6800x Duo
    Vendor
    Amd
    Product
    Radeon Pro W6900x
    Vendor
    Amd
    Product
    Radeon Rx 5300
    Vendor
    Amd
    Product
    Radeon Rx 5300 Xt
    Vendor
    Amd
    Product
    Radeon Rx 5300m
    Vendor
    Amd
    Product
    Radeon Rx 5500
    Vendor
    Amd
    Product
    Radeon Rx 5500 Xt
    Vendor
    Amd
    Product
    Radeon Rx 5500m
    Vendor
    Amd
    Product
    Radeon Rx 5600
    Vendor
    Amd
    Product
    Radeon Rx 5600 Xt
    Vendor
    Amd
    Product
    Radeon Rx 5600m
    Vendor
    Amd
    Product
    Radeon Rx 5700
    Vendor
    Amd
    Product
    Radeon Rx 5700 Xt
    Vendor
    Amd
    Product
    Radeon Rx 5700m
    Vendor
    Amd
    Product
    Radeon Rx 6300m
    Vendor
    Amd
    Product
    Radeon Rx 6400
    Vendor
    Amd
    Product
    Radeon Rx 6500 Xt
    Vendor
    Amd
    Product
    Radeon Rx 6500m
    Vendor
    Amd
    Product
    Radeon Rx 6600
    Vendor
    Amd
    Product
    Radeon Rx 6600 Xt
    Vendor
    Amd
    Product
    Radeon Rx 6600m
    Vendor
    Amd
    Product
    Radeon Rx 6600s
    Vendor
    Amd
    Product
    Radeon Rx 6650 Xt
    Vendor
    Amd
    Product
    Radeon Rx 6650m
    Vendor
    Amd
    Product
    Radeon Rx 6650m Xt
    Vendor
    Amd
    Product
    Radeon Rx 6700
    Vendor
    Amd
    Product
    Radeon Rx 6700 Xt
    Vendor
    Amd
    Product
    Radeon Rx 6700m
    Vendor
    Amd
    Product
    Radeon Rx 6700s
    Vendor
    Amd
    Product
    Radeon Rx 6750 Xt
    Vendor
    Amd
    Product
    Radeon Rx 6800
    Vendor
    Amd
    Product
    Radeon Rx 6800 Xt
    Vendor
    Amd
    Product
    Radeon Rx 6800m
    Vendor
    Amd
    Product
    Radeon Rx 6800s
    Vendor
    Amd
    Product
    Radeon Rx 6850m Xt
    Vendor
    Amd
    Product
    Radeon Rx 6900 Xt
    Vendor
    Amd
    Product
    Radeon Rx 6950 Xt
    Vendor
    Amd
    Product
    Radeon Rx Vega 56
    Vendor
    Amd
    Product
    Radeon Rx Vega 56 Firmware
    Vendor
    Amd
    Product
    Radeon Rx Vega 64
    Vendor
    Amd
    Product
    Radeon Rx Vega 64 Firmware
    Vendor
    Amd
    Product
    Radeon Software
    Vendor
    Amd
    Product
    Ryzen 3 5300g
    Vendor
    Amd
    Product
    Ryzen 3 5300g Firmware
    Vendor
    Amd
    Product
    Ryzen 3 5300ge
    Vendor
    Amd
    Product
    Ryzen 3 5300ge Firmware
    Vendor
    Amd
    Product
    Ryzen 3 5300u
    Vendor
    Amd
    Product
    Ryzen 3 5300u Firmware
    Vendor
    Amd
    Product
    Ryzen 3 5400u
    Vendor
    Amd
    Product
    Ryzen 3 5400u Firmware
    Vendor
    Amd
    Product
    Ryzen 5 5500u
    Vendor
    Amd
    Product
    Ryzen 5 5500u Firmware
    Vendor
    Amd
    Product
    Ryzen 5 5560u
    Vendor
    Amd
    Product
    Ryzen 5 5560u Firmware
    Vendor
    Amd
    Product
    Ryzen 5 5600g
    Vendor
    Amd
    Product
    Ryzen 5 5600g Firmware
    Vendor
    Amd
    Product
    Ryzen 5 5600ge
    Vendor
    Amd
    Product
    Ryzen 5 5600ge Firmware
    Vendor
    Amd
    Product
    Ryzen 5 5600h
    Vendor
    Amd
    Product
    Ryzen 5 5600h Firmware
    Vendor
    Amd
    Product
    Ryzen 5 5600hs
    Vendor
    Amd
    Product
    Ryzen 5 5600hs Firmware
    Vendor
    Amd
    Product
    Ryzen 5 5600u
    Vendor
    Amd
    Product
    Ryzen 5 5600u Firmware
    Vendor
    Amd
    Product
    Ryzen 7 5700g
    Vendor
    Amd
    Product
    Ryzen 7 5700g Firmware
    Vendor
    Amd
    Product
    Ryzen 7 5700ge
    Vendor
    Amd
    Product
    Ryzen 7 5700ge Firmware
    Vendor
    Amd
    Product
    Ryzen 7 5700u
    Vendor
    Amd
    Product
    Ryzen 7 5700u Firmware
    Vendor
    Amd
    Product
    Ryzen 7 5800h
    Vendor
    Amd
    Product
    Ryzen 7 5800h Firmware
    Vendor
    Amd
    Product
    Ryzen 7 5800hs
    Vendor
    Amd
    Product
    Ryzen 7 5800hs Firmware
    Vendor
    Amd
    Product
    Ryzen 7 5800u
    Vendor
    Amd
    Product
    Ryzen 7 5800u Firmware
    Vendor
    Amd
    Product
    Ryzen 9 5900hs
    Vendor
    Amd
    Product
    Ryzen 9 5900hs Firmware
    Vendor
    Amd
    Product
    Ryzen 9 5900hx
    Vendor
    Amd
    Product
    Ryzen 9 5900hx Firmware
    Vendor
    Amd
    Product
    Ryzen 9 5980hs
    Vendor
    Amd
    Product
    Ryzen 9 5980hs Firmware
    Vendor
    Amd
    Product
    Ryzen 9 5980hx
    Vendor
    Amd
    Product
    Ryzen 9 5980hx Firmware

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-463 Padding Oracle Crypto Attack
    CAPEC-475 Signature Spoofing by Improper Validation

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High