CVE Feed

    Dashboard / CVE / CVE-2021-26383

    CVE-2021-26383

    Insufficient bounds checking in AMD TEE (Trusted Execution Environment) could allow an attacker with a compromised userspace to invoke a command with malformed arguments leading to out of bounds memory access, potentially resulting in loss of integrity or availability.

    Published:Sep 5, 2025
    Last Modified:Apr 15, 2026
    EPS:Sep 5, 2025
    EPSS Score:0.00012
    CVSS Score:7.9

    Affected Products

    Vendor
    Amd
    Product
    Instinct Mi210
    Vendor
    Amd
    Product
    Instinct Mi250
    Vendor
    Amd
    Product
    Radeon Pro V520
    Vendor
    Amd
    Product
    Radeon Pro V620
    Vendor
    Amd
    Product
    Radeon Pro W5000
    Vendor
    Amd
    Product
    Radeon Pro W6000
    Vendor
    Amd
    Product
    Radeon Rx 5000
    Vendor
    Amd
    Product
    Radeon Rx 6000
    Vendor
    Amd
    Product
    Ryzen 4000

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-0481 (CVSS 9.2) — Unrestricted IP address binding in the AMD Device Metrics Exporter (ROCm ecosystem) could allow a remote attac…
    CVE-2025-52532 (CVSS 2) — A race condition in the MxGPU-Virtualization driver’s ioctl path caused by concurrent unsynchronized access to…
    CVE-2026-0427 (CVSS 4.6) — Improper cleanup of shared register resources in GPU firmware could allow an admin-privileged attacker from a …
    CVE-2023-31317 (CVSS 8.8) — Improper restriction of operations within the bounds of a memory buffer in the AMD secure processer (ASP) coul…
    CVE-2025-54511 (CVSS 5.3) — Improper handling of insufficient privileges in the AMD Secure Processor (ASP) could allow an attacker to prov…
    CVE-2025-54517 (CVSS 8.5) — Out of bounds write in AMD AMDGV_CMD_GET_DIAG_DATA ioctl handler could allow a local user to escalate privileg…
    CVE-2025-66660 (CVSS 1.8) — Insufficient parameter sanitization in TEE SOC Driver could allow an attacker to issue a malformed DRV_SOC_CMD…
    CVE-2025-66664 (CVSS 4.6) — Insufficient parameter sanitization in AMD Secure Processor (ASP) TEE SOC Driver could allow an attacker to is…
    CVE-2023-31316 (CVSS 7.1) — Improperly preserved integrity of hardware configuration state during a power save/restore operation in the AM…
    CVE-2022-23826 (CVSS 1.8) — A TOCTOU (Time-Of-Check to Time-Of-Use) in the graphics interface may allow an attacker to load registers repe…

    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