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    CVE-2024-1048

    A flaw was found in the grub2-set-bootflag utility of grub2. After the fix of CVE-2019-14865, grub2-set-bootflag will create a temporary file with the new grubenv content and rename it to the original grubenv file. If the program is killed before the rename operation, the temporary file will not be removed and may fill the filesystem when invoked multiple times, resulting in a filesystem out of free inodes or blocks.

    Published:Feb 6, 2024
    Last Modified:Nov 20, 2025
    EPS:Feb 6, 2024
    EPSS Score:0.00067
    CVSS Score:3.3

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Gnu
    Product
    Grub2
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-459 Incomplete Cleanup

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    https://access.redhat.com/errata/RHSA-2024:2456
    https://access.redhat.com/errata/RHSA-2024:3184
    https://access.redhat.com/security/cve/CVE-2024-1048
    https://bugzilla.redhat.com/show_bug.cgi?id=2256827
    https://www.openwall.com/lists/oss-security/2024/02/06/3
    http://www.openwall.com/lists/oss-security/2024/02/06/3
    https://access.redhat.com/errata/RHSA-2024:2456
    https://access.redhat.com/errata/RHSA-2024:3184
    https://access.redhat.com/security/cve/CVE-2024-1048
    https://bugzilla.redhat.com/show_bug.cgi?id=2256827
    https://lists.fedoraproject.org/archives/list/[email protected]/message/XRZQCVZ3XOASVFT6XLO7F2ZXOLOHIJZQ/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/YSJAEGRR3XHMBBBKYOVMII4P34IXEYPE/
    https://security.netapp.com/advisory/ntap-20240223-0007/
    https://www.openwall.com/lists/oss-security/2024/02/06/3

    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