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    CVE-2021-47445

    In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fix null pointer dereference on pointer edp The initialization of pointer dev dereferences pointer edp before edp is null checked, so there is a potential null pointer deference issue. Fix this by only dereferencing edp after edp has been null checked. Addresses-Coverity: ("Dereference before null check")

    Published:May 22, 2024
    Last Modified:May 4, 2025
    EPS:May 22, 2024
    EPSS Score:0.00007
    CVSS Score:5.5

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    https://git.kernel.org/stable/c/0cd063aa0a09822cc1620fc59a67fe2f9f6338ac
    https://git.kernel.org/stable/c/2133c4fc8e1348dcb752f267a143fe2254613b34
    https://git.kernel.org/stable/c/46c8ddede0273d1d132beefa9de8b820326982be
    https://git.kernel.org/stable/c/7f642b93710b6b1119bdff90be01e6b5a2a5d669
    https://git.kernel.org/stable/c/91a340768b012f5b910a203a805b97a345b3db37
    https://git.kernel.org/stable/c/bacac7d26849c8e903ceb7466d9ce8dc3c2797eb
    https://git.kernel.org/stable/c/f175b9a83e5c252d7c74acddc792840016caae0a
    https://git.kernel.org/stable/c/f302be08e3de94db8863a0b2958b2bb3e8e998e6
    https://git.kernel.org/stable/c/0cd063aa0a09822cc1620fc59a67fe2f9f6338ac
    https://git.kernel.org/stable/c/2133c4fc8e1348dcb752f267a143fe2254613b34
    https://git.kernel.org/stable/c/46c8ddede0273d1d132beefa9de8b820326982be
    https://git.kernel.org/stable/c/7f642b93710b6b1119bdff90be01e6b5a2a5d669
    https://git.kernel.org/stable/c/91a340768b012f5b910a203a805b97a345b3db37
    https://git.kernel.org/stable/c/bacac7d26849c8e903ceb7466d9ce8dc3c2797eb
    https://git.kernel.org/stable/c/f175b9a83e5c252d7c74acddc792840016caae0a
    https://git.kernel.org/stable/c/f302be08e3de94db8863a0b2958b2bb3e8e998e6

    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