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    CVE-2023-4132

    A use-after-free vulnerability was found in the siano smsusb module in the Linux kernel. The bug occurs during device initialization when the siano device is plugged in. This flaw allows a local user to crash the system, causing a denial of service condition.

    Published:Feb 8, 2023
    Last Modified:Nov 7, 2025
    EPS:Aug 3, 2023
    EPSS Score:0.00011
    CVSS Score:5.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux For Real Time
    Vendor
    Redhat
    Product
    Enterprise Linux For Real Time For Nfv
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhev Hypervisor

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    https://access.redhat.com/errata/RHSA-2023:6901
    https://access.redhat.com/errata/RHSA-2023:7077
    https://access.redhat.com/errata/RHSA-2024:0575
    https://access.redhat.com/errata/RHSA-2024:0724
    https://access.redhat.com/security/cve/CVE-2023-4132
    https://bugzilla.redhat.com/show_bug.cgi?id=2221707
    https://access.redhat.com/errata/RHSA-2023:6901
    https://access.redhat.com/errata/RHSA-2023:7077
    https://access.redhat.com/errata/RHSA-2024:0575
    https://access.redhat.com/errata/RHSA-2024:0724
    https://access.redhat.com/security/cve/CVE-2023-4132
    https://bugzilla.redhat.com/show_bug.cgi?id=2221707
    https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
    https://security.netapp.com/advisory/ntap-20231020-0005/
    https://www.debian.org/security/2023/dsa-5480
    https://www.debian.org/security/2023/dsa-5492

    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