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    CVE-2021-47330

    In the Linux kernel, the following vulnerability has been resolved: tty: serial: 8250: serial_cs: Fix a memory leak in error handling path In the probe function, if the final 'serial_config()' fails, 'info' is leaking. Add a resource handling path to free this memory.

    Published:May 21, 2024
    Last Modified:Dec 18, 2025
    EPS:May 21, 2024
    EPSS Score:0.00011
    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/331f5923fce4f45b8170ccf06c529e8eb28f37bc
    https://git.kernel.org/stable/c/34f4590f5ec9859ea9136249f528173d150bd584
    https://git.kernel.org/stable/c/7a80f71601af015856a0aeb1e3c294037ac3dd32
    https://git.kernel.org/stable/c/b2ef1f5de40342de44fc5355321595f91774dab5
    https://git.kernel.org/stable/c/b5a2799cd62ed30c81b22c23028d9ee374e2138c
    https://git.kernel.org/stable/c/c39cf4df19acf0133fa284a8cd83fad42cd13cc2
    https://git.kernel.org/stable/c/cddee5c287e26f6b2ba5c0ffdfc3a846f2f10461
    https://git.kernel.org/stable/c/ee16bed959862a6de2913f71a04cb563d7237b67
    https://git.kernel.org/stable/c/fad92b11047a748c996ebd6cfb164a63814eeb2e
    https://git.kernel.org/stable/c/331f5923fce4f45b8170ccf06c529e8eb28f37bc
    https://git.kernel.org/stable/c/34f4590f5ec9859ea9136249f528173d150bd584
    https://git.kernel.org/stable/c/7a80f71601af015856a0aeb1e3c294037ac3dd32
    https://git.kernel.org/stable/c/b2ef1f5de40342de44fc5355321595f91774dab5
    https://git.kernel.org/stable/c/b5a2799cd62ed30c81b22c23028d9ee374e2138c
    https://git.kernel.org/stable/c/c39cf4df19acf0133fa284a8cd83fad42cd13cc2
    https://git.kernel.org/stable/c/cddee5c287e26f6b2ba5c0ffdfc3a846f2f10461
    https://git.kernel.org/stable/c/ee16bed959862a6de2913f71a04cb563d7237b67
    https://git.kernel.org/stable/c/fad92b11047a748c996ebd6cfb164a63814eeb2e

    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