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    CVE-2024-36940

    In the Linux kernel, the following vulnerability has been resolved: pinctrl: core: delete incorrect free in pinctrl_enable() The "pctldev" struct is allocated in devm_pinctrl_register_and_init(). It's a devm_ managed pointer that is freed by devm_pinctrl_dev_release(), so freeing it in pinctrl_enable() will lead to a double free. The devm_pinctrl_dev_release() function frees the pindescs and destroys the mutex as well.

    Published:May 30, 2024
    Last Modified:May 12, 2026
    EPS:May 30, 2024
    EPSS Score:0.00022
    CVSS Score:7.8

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Eus

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-415 Double Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    https://git.kernel.org/stable/c/288bc4aa75f150d6f1ee82dd43c6da1b438b6068
    https://git.kernel.org/stable/c/41f88ef8ba387a12f4a2b8c400b6c9e8e54b2cca
    https://git.kernel.org/stable/c/5038a66dad0199de60e5671603ea6623eb9e5c79
    https://git.kernel.org/stable/c/558c8039fdf596a584a92c171cbf3298919c448c
    https://git.kernel.org/stable/c/735f4c6b6771eafe336404c157ca683ad72a040d
    https://git.kernel.org/stable/c/ac7d65795827dc0cf7662384ed27caf4066bd72e
    https://git.kernel.org/stable/c/cdaa171473d98962ae86f2a663d398fda2fbeefd
    https://git.kernel.org/stable/c/f9f1e321d53e4c5b666b66e5b43da29841fb55ba
    https://git.kernel.org/stable/c/288bc4aa75f150d6f1ee82dd43c6da1b438b6068
    https://git.kernel.org/stable/c/41f88ef8ba387a12f4a2b8c400b6c9e8e54b2cca
    https://git.kernel.org/stable/c/5038a66dad0199de60e5671603ea6623eb9e5c79
    https://git.kernel.org/stable/c/558c8039fdf596a584a92c171cbf3298919c448c
    https://git.kernel.org/stable/c/735f4c6b6771eafe336404c157ca683ad72a040d
    https://git.kernel.org/stable/c/ac7d65795827dc0cf7662384ed27caf4066bd72e
    https://git.kernel.org/stable/c/cdaa171473d98962ae86f2a663d398fda2fbeefd
    https://git.kernel.org/stable/c/f9f1e321d53e4c5b666b66e5b43da29841fb55ba
    https://lists.debian.org/debian-lts-announce/2024/06/msg00019.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