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    CVE-2024-27396

    In the Linux kernel, the following vulnerability has been resolved: net: gtp: Fix Use-After-Free in gtp_dellink Since call_rcu, which is called in the hlist_for_each_entry_rcu traversal of gtp_dellink, is not part of the RCU read critical section, it is possible that the RCU grace period will pass during the traversal and the key will be free. To prevent this, it should be changed to hlist_for_each_entry_safe.

    Published:May 8, 2024
    Last Modified:May 12, 2026
    EPS:May 9, 2024
    EPSS Score:0.0002
    CVSS Score:7.8

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    https://git.kernel.org/stable/c/07b20d0a3dc13fb1adff10b60021a4924498da58
    https://git.kernel.org/stable/c/0caff3e6390f840666b8dc1ecebf985c2ef3f1dd
    https://git.kernel.org/stable/c/25a1c2d4b1fcf938356a9688a96a6456abd44b29
    https://git.kernel.org/stable/c/2aacd4de45477582993f8a8abb9505a06426bfb6
    https://git.kernel.org/stable/c/2e74b3fd6bf542349758f283676dff3660327c07
    https://git.kernel.org/stable/c/718df1bc226c383dd803397d7f5d95557eb81ac7
    https://git.kernel.org/stable/c/cd957d1716ec979d8f5bf38fc659aeb9fdaa2474
    https://git.kernel.org/stable/c/f2a904107ee2b647bb7794a1a82b67740d7c8a64
    https://git.kernel.org/stable/c/07b20d0a3dc13fb1adff10b60021a4924498da58
    https://git.kernel.org/stable/c/0caff3e6390f840666b8dc1ecebf985c2ef3f1dd
    https://git.kernel.org/stable/c/25a1c2d4b1fcf938356a9688a96a6456abd44b29
    https://git.kernel.org/stable/c/2aacd4de45477582993f8a8abb9505a06426bfb6
    https://git.kernel.org/stable/c/2e74b3fd6bf542349758f283676dff3660327c07
    https://git.kernel.org/stable/c/718df1bc226c383dd803397d7f5d95557eb81ac7
    https://git.kernel.org/stable/c/cd957d1716ec979d8f5bf38fc659aeb9fdaa2474
    https://git.kernel.org/stable/c/f2a904107ee2b647bb7794a1a82b67740d7c8a64
    https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
    https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
    https://cert-portal.siemens.com/productcert/html/ssa-265688.html
    https://cert-portal.siemens.com/productcert/html/ssa-613116.html

    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