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    CVE-2023-1386

    A flaw was found in the 9p passthrough filesystem (9pfs) implementation in QEMU. When a local user in the guest writes an executable file with SUID or SGID, none of these privileged bits are correctly dropped. As a result, in rare circumstances, this flaw could be used by malicious users in the guest to elevate their privileges within the guest and help a host local user to elevate privileges on the host.

    Published:Mar 7, 2023
    Last Modified:Nov 21, 2024
    EPS:Jul 24, 2023
    EPSS Score:0.00016
    CVSS Score:3.3

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Qemu
    Product
    Qemu
    Vendor
    Redhat
    Product
    Advanced Virtualization
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    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