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    CVE-2021-0086

    Observable response discrepancy in floating-point operations for some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.

    Published:Jun 9, 2021
    Last Modified:Nov 21, 2024
    EPS:Jun 9, 2021
    EPSS Score:0.001
    CVSS Score:6.5

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Intel
    Product
    Brand Verification Tool
    Vendor
    Intel
    Product
    Celeron Processors
    Vendor
    Intel
    Product
    Celeron Processors Firmware
    Vendor
    Intel
    Product
    Core Processors
    Vendor
    Intel
    Product
    Core Processors Firmware
    Vendor
    Intel
    Product
    Itanium Processors
    Vendor
    Intel
    Product
    Itanium Processors Firmware
    Vendor
    Intel
    Product
    Pentium Processors
    Vendor
    Intel
    Product
    Pentium Processors Firmware
    Vendor
    Intel
    Product
    Xeon Processors
    Vendor
    Intel
    Product
    Xeon Processors Firmware

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-203 Observable Discrepancy

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-189 Black Box Reverse Engineering

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    References

    http://www.openwall.com/lists/oss-security/2021/06/08/7
    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.intel.com/content/www/us/en/security-center/advisory/intel-sa-00516.html
    https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00546.html
    https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00546.html
    https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00546.html
    https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00546.html
    http://www.openwall.com/lists/oss-security/2021/06/08/7
    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.intel.com/content/www/us/en/security-center/advisory/intel-sa-00516.html
    https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00546.html
    https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00546.html
    https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00546.html
    https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00546.html

    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