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    CVE-2021-47442

    In the Linux kernel, the following vulnerability has been resolved: NFC: digital: fix possible memory leak in digital_in_send_sdd_req() 'skb' is allocated in digital_in_send_sdd_req(), but not free when digital_in_send_cmd() failed, which will cause memory leak. Fix it by freeing 'skb' if digital_in_send_cmd() return failed.

    Published:May 22, 2024
    Last Modified:May 4, 2025
    EPS:May 22, 2024
    EPSS Score:0.00012
    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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    References

    https://git.kernel.org/stable/c/071bdef36391958c89af5fa2172f691b31baa212
    https://git.kernel.org/stable/c/291c932fc3692e4d211a445ba8aa35663831bac7
    https://git.kernel.org/stable/c/2bde4aca56db9fe25405d39ddb062531493a65db
    https://git.kernel.org/stable/c/50cb95487c265187289810addec5093d4fed8329
    https://git.kernel.org/stable/c/6432d7f1d1c3aa74cfe8f5e3afdf81b786c32e86
    https://git.kernel.org/stable/c/74569c78aa84f8c958f1334b465bc530906ec99a
    https://git.kernel.org/stable/c/88c890b0b9a1fb9fcd01c61ada515e8b636c34f9
    https://git.kernel.org/stable/c/fcce6e5255474ca33c27dda0cdf9bf5087278873
    https://git.kernel.org/stable/c/071bdef36391958c89af5fa2172f691b31baa212
    https://git.kernel.org/stable/c/291c932fc3692e4d211a445ba8aa35663831bac7
    https://git.kernel.org/stable/c/2bde4aca56db9fe25405d39ddb062531493a65db
    https://git.kernel.org/stable/c/50cb95487c265187289810addec5093d4fed8329
    https://git.kernel.org/stable/c/6432d7f1d1c3aa74cfe8f5e3afdf81b786c32e86
    https://git.kernel.org/stable/c/74569c78aa84f8c958f1334b465bc530906ec99a
    https://git.kernel.org/stable/c/88c890b0b9a1fb9fcd01c61ada515e8b636c34f9
    https://git.kernel.org/stable/c/fcce6e5255474ca33c27dda0cdf9bf5087278873

    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