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    CVE-2021-47655

    In the Linux kernel, the following vulnerability has been resolved: media: venus: vdec: fixed possible memory leak issue The venus_helper_alloc_dpb_bufs() implementation allows an early return on an error path when checking the id from ida_alloc_min() which would not release the earlier buffer allocation. Move the direct kfree() from the error checking of dma_alloc_attrs() to the common fail path to ensure that allocations are released on all error paths in this function. Addresses-Coverity: 1494120 ("Resource leak")

    Published:Feb 26, 2025
    Last Modified:Oct 1, 2025
    EPS:Feb 26, 2025
    EPSS Score:0.00029
    CVSS Score:5.5

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    Attack Vector
    Network
    Adjacent
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    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
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    Scope
    Unchanged
    Changed
    Confidentiality
    None
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    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High