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    CVE-2024-47737

    In the Linux kernel, the following vulnerability has been resolved: nfsd: call cache_put if xdr_reserve_space returns NULL If not enough buffer space available, but idmap_lookup has triggered lookup_fn which calls cache_get and returns successfully. Then we missed to call cache_put here which pairs with cache_get. Reviwed-by: Jeff Layton <[email protected]>

    Published:Oct 21, 2024
    Last Modified:May 12, 2026
    EPS:Oct 21, 2024
    EPSS Score:0.00007
    CVSS Score:5.5

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux

    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/3e8081ebff12bec1347deaceb6bce0765cce54df
    https://git.kernel.org/stable/c/81821617312988096f5deccf0f7da6f888e98056
    https://git.kernel.org/stable/c/8d0765f86135e27f0bb5c950c136495719b4c834
    https://git.kernel.org/stable/c/9803ab882d565a8fb2dde5999d98866d1c499dfd
    https://git.kernel.org/stable/c/9f03f0016ff797932551881c7e06ae50e9c39134
    https://git.kernel.org/stable/c/a1afbbb5276f943ad7173d0b4c626b8c75a260da
    https://git.kernel.org/stable/c/c6b16e700cf4d959af524bd9d3978407ff7ce462
    https://git.kernel.org/stable/c/d078cbf5c38de83bc31f83c47dcd2184c04a50c7
    https://git.kernel.org/stable/c/e32ee6a61041925d1a05c14d10352dcfce9ef029
    https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
    https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
    https://cert-portal.siemens.com/productcert/html/ssa-265688.html
    https://cert-portal.siemens.com/productcert/html/ssa-355557.html
    https://cert-portal.siemens.com/productcert/html/ssa-398330.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