CVE Feed

    Dashboard / CVE / CVE-2023-2640

    CVE-2023-2640

    On Ubuntu kernels carrying both c914c0e27eb0 and "UBUNTU: SAUCE: overlayfs: Skip permission checking for trusted.overlayfs.* xattrs", an unprivileged user may set privileged extended attributes on the mounted files, leading them to be set on the upper files without the appropriate security checks.

    Published:Jul 6, 2023
    Last Modified:Nov 21, 2024
    EPS:Jul 26, 2023
    EPSS Score:0.92037
    CVSS Score:7.8

    Affected Products

    Vendor
    Canonical
    Product
    Ubantu Kernel
    Vendor
    Canonical
    Product
    Ubuntu Linux

    Exploits

    https://wiz.io/blog/ubuntu-overlayfs-vulnerabilityhttps://wiz.io/blog/ubuntu-overlayfs-vulnerabilityhttps://github.com/amar-imamovic/CVE-2023-2640-CVE-2023-32629-Interactive-PoChttps://github.com/filippo-zullo98/phpMyAdmin-RCE-Exploit-Labhttps://github.com/g1vi/CVE-2023-2640-CVE-2023-32629https://github.com/K5LK/CVE-2023-2640-32629https://github.com/luanoliveira350/GameOverlayFShttps://github.com/musorblyat/CVE-2023-2640-CVE-2023-32629https://github.com/Nkipohcs/CVE-2023-2640-CVE-2023-32629https://github.com/OllaPapito/gameoverlayhttps://github.com/SanjayRagavendar/Ubuntu-GameOver-Layhttps://github.com/WhatsWrongAndWhy/CVE-2023-2640-CVE-2023-32629https://github.com/z3usx01/CVE-2023-2640-3262-PoC

    Common Weakness Enumeration

    CWE-863 Incorrect Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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