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    CVE-2023-6536

    A flaw was found in the Linux kernel's NVMe driver. This issue may allow an unauthenticated malicious actor to send a set of crafted TCP packages when using NVMe over TCP, leading the NVMe driver to a NULL pointer dereference in the NVMe driver, causing kernel panic and a denial of service.

    Published:Dec 11, 2023
    Last Modified:Nov 6, 2025
    EPS:Feb 7, 2024
    EPSS Score:0.00024
    CVSS Score:6.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Codeready Linux Builder Eus
    Vendor
    Redhat
    Product
    Codeready Linux Builder Eus For Power Little Endian Eus
    Vendor
    Redhat
    Product
    Codeready Linux Builder For Arm64 Eus
    Vendor
    Redhat
    Product
    Codeready Linux Builder For Ibm Z Systems Eus
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux Eus
    Vendor
    Redhat
    Product
    Enterprise Linux For Arm 64 Eus
    Vendor
    Redhat
    Product
    Enterprise Linux For Ibm Z Systems Eus
    Vendor
    Redhat
    Product
    Enterprise Linux For Power Little Endian Eus
    Vendor
    Redhat
    Product
    Enterprise Linux For Real Time
    Vendor
    Redhat
    Product
    Enterprise Linux For Real Time For Nfv
    Vendor
    Redhat
    Product
    Enterprise Linux Server Aus
    Vendor
    Redhat
    Product
    Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions
    Vendor
    Redhat
    Product
    Enterprise Linux Server Tus
    Vendor
    Redhat
    Product
    Logging
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhev Hypervisor
    Vendor
    Redhat
    Product
    Virtualization Host

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    https://access.redhat.com/errata/RHSA-2024:0723
    https://access.redhat.com/errata/RHSA-2024:0724
    https://access.redhat.com/errata/RHSA-2024:0725
    https://access.redhat.com/errata/RHSA-2024:0881
    https://access.redhat.com/errata/RHSA-2024:0897
    https://access.redhat.com/errata/RHSA-2024:1248
    https://access.redhat.com/errata/RHSA-2024:2094
    https://access.redhat.com/errata/RHSA-2024:3810
    https://access.redhat.com/security/cve/CVE-2023-6536
    https://bugzilla.redhat.com/show_bug.cgi?id=2254052
    https://access.redhat.com/errata/RHSA-2024:0723
    https://access.redhat.com/errata/RHSA-2024:0724
    https://access.redhat.com/errata/RHSA-2024:0725
    https://access.redhat.com/errata/RHSA-2024:0881
    https://access.redhat.com/errata/RHSA-2024:0897
    https://access.redhat.com/errata/RHSA-2024:1248
    https://access.redhat.com/errata/RHSA-2024:2094
    https://access.redhat.com/errata/RHSA-2024:3810
    https://access.redhat.com/security/cve/CVE-2023-6536
    https://bugzilla.redhat.com/show_bug.cgi?id=2254052
    https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html
    https://lists.fedoraproject.org/archives/list/[email protected]/message/ZFYW6R64GPLUOXSQBJI3JBUX3HGLAYPP/
    https://security.netapp.com/advisory/ntap-20240415-0001/

    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