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    CVE-2023-6176

    A null pointer dereference flaw was found in the Linux kernel API for the cryptographic algorithm scatterwalk functionality. This issue occurs when a user constructs a malicious packet with specific socket configuration, which could allow a local user to crash the system or escalate their privileges on the system.

    Published:Sep 12, 2023
    Last Modified:Nov 6, 2025
    EPS:Nov 16, 2023
    EPSS Score:0.0001
    CVSS Score:4.7

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux

    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-2024:2394
    https://access.redhat.com/errata/RHSA-2024:2950
    https://access.redhat.com/errata/RHSA-2024:3138
    https://access.redhat.com/security/cve/CVE-2023-6176
    https://bugzilla.redhat.com/show_bug.cgi?id=2219359
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cfaa80c91f6f99b9342b6557f0f0e1143e434066
    http://packetstormsecurity.com/files/177029/Kernel-Live-Patch-Security-Notice-LSN-0100-1.html
    https://access.redhat.com/errata/RHSA-2024:2394
    https://access.redhat.com/errata/RHSA-2024:2950
    https://access.redhat.com/errata/RHSA-2024:3138
    https://access.redhat.com/security/cve/CVE-2023-6176
    https://bugzilla.redhat.com/show_bug.cgi?id=2219359
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cfaa80c91f6f99b9342b6557f0f0e1143e434066

    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