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    CVE-2023-5633

    The reference count changes made as part of the CVE-2023-33951 and CVE-2023-33952 fixes exposed a use-after-free flaw in the way memory objects were handled when they were being used to store a surface. When running inside a VMware guest with 3D acceleration enabled, a local, unprivileged user could potentially use this flaw to escalate their privileges.

    Published:Sep 28, 2023
    Last Modified:Feb 25, 2026
    EPS:Oct 23, 2023
    EPSS Score:0.00015
    CVSS Score:7.8

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Codeready Linux Builder
    Vendor
    Redhat
    Product
    Codeready Linux Builder Eus
    Vendor
    Redhat
    Product
    Codeready Linux Builder For Arm64
    Vendor
    Redhat
    Product
    Codeready Linux Builder For Arm64 Eus
    Vendor
    Redhat
    Product
    Codeready Linux Builder For Ibm Z Systems
    Vendor
    Redhat
    Product
    Codeready Linux Builder For Ibm Z Systems Eus
    Vendor
    Redhat
    Product
    Codeready Linux Builder For Power Little Endian
    Vendor
    Redhat
    Product
    Codeready Linux Builder For Power Little Endian Eus
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux Eus
    Vendor
    Redhat
    Product
    Enterprise Linux For Arm 64
    Vendor
    Redhat
    Product
    Enterprise Linux For Arm 64 Eus
    Vendor
    Redhat
    Product
    Enterprise Linux For Ibm Z Systems
    Vendor
    Redhat
    Product
    Enterprise Linux For Ibm Z Systems Eus
    Vendor
    Redhat
    Product
    Enterprise Linux For Power Little Endian
    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
    Rhel Eus

    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
    CVE-2023-5633 — Linux, Redhat (High 7.8) | CVE-DB