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    CVE-2024-53241

    In the Linux kernel, the following vulnerability has been resolved: x86/xen: don't do PV iret hypercall through hypercall page Instead of jumping to the Xen hypercall page for doing the iret hypercall, directly code the required sequence in xen-asm.S. This is done in preparation of no longer using hypercall page at all, as it has shown to cause problems with speculation mitigations. This is part of XSA-466 / CVE-2024-53241.

    Published:Dec 17, 2024
    Last Modified:Jan 5, 2026
    EPS:Dec 24, 2024
    EPSS Score:0.00043
    CVSS Score:5.5

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

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    References

    https://git.kernel.org/stable/c/05df6e6cd9a76b778aee33c3c18c9f3b3566d4a5
    https://git.kernel.org/stable/c/82c211ead1ec440dbf81727e17b03b5e3c44b93d
    https://git.kernel.org/stable/c/a2796dff62d6c6bfc5fbebdf2bee0d5ac0438906
    https://git.kernel.org/stable/c/c7b4cfa6213a44fa48714186dfdf125072d036e3
    https://git.kernel.org/stable/c/f7c3fdad0a474062d566aae3289d490d7e702d30
    https://git.kernel.org/stable/c/fa719857f613fed94a79da055b13ca51214c694f
    http://www.openwall.com/lists/oss-security/2024/12/17/2
    http://www.openwall.com/lists/oss-security/2024/12/23/1
    http://www.openwall.com/lists/oss-security/2025/01/05/1
    http://www.openwall.com/lists/oss-security/2025/01/05/2
    http://xenbits.xen.org/xsa/advisory-466.html
    https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
    https://lists.debian.org/debian-lts-announce/2025/03/msg00002.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