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    CVE-2020-25656

    A flaw was found in the Linux kernel. A use-after-free was found in the way the console subsystem was using ioctls KDGKBSENT and KDSKBSENT. A local user could use this flaw to get read memory access out of bounds. The highest threat from this vulnerability is to data confidentiality.

    Published:Oct 16, 2020
    Last Modified:Nov 21, 2024
    EPS:Dec 2, 2020
    EPSS Score:0.0001
    CVSS Score:4.1

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Extras Rt
    Vendor
    Starwindsoftware
    Product
    Starwind Virtual San

    Exploits

    https://bugzilla.redhat.com/show_bug.cgi?id=1888726https://lkml.org/lkml/2020/10/16/84https://bugzilla.redhat.com/show_bug.cgi?id=1888726https://lkml.org/lkml/2020/10/16/84

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    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