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    CVE-2021-26314

    Potential floating point value injection in all supported CPU products, in conjunction with software vulnerabilities relating to speculative execution with incorrect floating point results, may cause the use of incorrect data from FPVI and may result in data leakage.

    Published:Jun 9, 2021
    Last Modified:Nov 21, 2024
    EPS:Jun 9, 2021
    EPSS Score:0.00096
    CVSS Score:5.5

    Affected Products

    Vendor
    Amd
    Product
    Ryzen 5 5600x
    Vendor
    Amd
    Product
    Ryzen 7 2700x
    Vendor
    Amd
    Product
    Ryzen Threadripper 2990wx
    Vendor
    Arm
    Product
    Cortex-a72
    Vendor
    Broadcom
    Product
    Bcm2711
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Intel
    Product
    Core I7-10700k
    Vendor
    Intel
    Product
    Core I7-7700k
    Vendor
    Intel
    Product
    Core I9-9900k
    Vendor
    Intel
    Product
    Xeon Silver 4214
    Vendor
    Xen
    Product
    Xen

    Exploits

    http://www.openwall.com/lists/oss-security/2021/06/10/1http://www.openwall.com/lists/oss-security/2021/06/10/1

    Related CVEs

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    CVE-2023-20533 (CVSS 6.1) — Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/…
    CVE-2022-23820 (CVSS 7.5) — Failure to validate the AMD SMM communication buffer may allow an attacker to corrupt the SMRAM potentially le…
    CVE-2021-46774 (CVSS 6.7) — Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/…
    CVE-2023-20597 (CVSS 5.5) — Improper initialization of variables in the DXE driver may allow a privileged user to leak sensitive informati…
    CVE-2023-20594 (CVSS 4.4) — Improper initialization of variables in the DXE driver may allow a privileged user to leak sensitive informati…
    CVE-2023-20569 (CVSS 4.7) — A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address …
    CVE-2023-20589 (CVSS 6.8) — An attacker with specialized hardware and physical access to an impacted device may be able to perform a volt…
    CVE-2021-26371 (CVSS 5.5) — A compromised or malicious ABL or UApp could send a SHA256 system call to the bootloader, which may result in …
    CVE-2021-26365 (CVSS 8.2) — Certain size values in firmware binary headers could trigger out of bounds reads during signature validation, …

    References

    http://www.openwall.com/lists/oss-security/2021/06/09/2
    http://www.openwall.com/lists/oss-security/2021/06/10/1
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H36U6CNREC436W6GYO7QUMJIVEA35SCV/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVA2NY26MMXOODUMYZN5DCU3FXMBMBOB/
    https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1003
    http://www.openwall.com/lists/oss-security/2021/06/09/2
    http://www.openwall.com/lists/oss-security/2021/06/10/1
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H36U6CNREC436W6GYO7QUMJIVEA35SCV/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVA2NY26MMXOODUMYZN5DCU3FXMBMBOB/
    https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1003

    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