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    CVE-2011-1021

    drivers/acpi/debugfs.c in the Linux kernel before 3.0 allows local users to modify arbitrary kernel memory locations by leveraging root privileges to write to the /sys/kernel/debug/acpi/custom_method file. NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-4347.

    Published:Feb 22, 2011
    Last Modified:Apr 11, 2025
    EPS:Jun 21, 2012
    EPSS Score:0.00169
    CVSS Score:3.6

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Mrg

    Exploits

    https://github.com/torvalds/linux/commit/526b4af47f44148c9d665e57723ed9f86634c6e3https://github.com/torvalds/linux/commit/526b4af47f44148c9d665e57723ed9f86634c6e3https://www.exploit-db.com/exploits/15774

    Common Weakness Enumeration

    No CWE recorded yet

    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