Vulnerability Monitor

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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.


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.8, requiring local system access to exploit with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 22 products from linux, from redhat, from redhat and 19 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2023, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2023-10-23T22:15:09.430

Last Modified

2026-02-25T19:29:20.300

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

Weaknesses
  • Type: Primary
    CWE-911
  • Type: Secondary
    CWE-416

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System linux linux_kernel < 6.1.75 Yes
Operating System linux linux_kernel < 6.5.8 Yes
Operating System linux linux_kernel 6.6 Yes
Operating System linux linux_kernel 6.6 Yes
Operating System linux linux_kernel 6.6 Yes
Operating System linux linux_kernel 6.6 Yes
Operating System linux linux_kernel 6.6 Yes
Operating System linux linux_kernel 6.6 Yes
Application redhat codeready_linux_builder 8.0 Yes
Application redhat codeready_linux_builder 9.0 Yes
Application redhat codeready_linux_builder_eus 8.8 Yes
Application redhat codeready_linux_builder_eus 9.2 Yes
Application redhat codeready_linux_builder_eus 9.4 Yes
Application redhat codeready_linux_builder_for_arm64 8.0_aarch64 Yes
Application redhat codeready_linux_builder_for_arm64 9.0_aarch64 Yes
Application redhat codeready_linux_builder_for_arm64_eus 8.8_aarch64 Yes
Application redhat codeready_linux_builder_for_arm64_eus 9.2_aarch64 Yes
Application redhat codeready_linux_builder_for_arm64_eus 9.4_aarch64 Yes
Application redhat codeready_linux_builder_for_ibm_z_systems 9.0_s390x Yes
Application redhat codeready_linux_builder_for_ibm_z_systems_eus 9.2_s390x Yes
Application redhat codeready_linux_builder_for_ibm_z_systems_eus 9.4_s390x Yes
Application redhat codeready_linux_builder_for_power_little_endian 8.0_ppc64le Yes
Application redhat codeready_linux_builder_for_power_little_endian 9.0_ppc64le Yes
Application redhat codeready_linux_builder_for_power_little_endian_eus 8.8_ppc64le Yes
Application redhat codeready_linux_builder_for_power_little_endian_eus 9.2_ppc64le Yes
Application redhat codeready_linux_builder_for_power_little_endian_eus 9.4_ppc64le Yes
Operating System redhat enterprise_linux 8.0 Yes
Operating System redhat enterprise_linux 9.0 Yes
Operating System redhat enterprise_linux_eus 8.8 Yes
Operating System redhat enterprise_linux_eus 9.2 Yes
Operating System redhat enterprise_linux_eus 9.4 Yes
Operating System redhat enterprise_linux_for_arm_64 8.0_aarch64 Yes
Operating System redhat enterprise_linux_for_arm_64 9.0_aarch64 Yes
Operating System redhat enterprise_linux_for_arm_64_eus 8.8_aarch64 Yes
Operating System redhat enterprise_linux_for_arm_64_eus 9.2_aarch64 Yes
Operating System redhat enterprise_linux_for_arm_64_eus 9.4_aarch64 Yes
Operating System redhat enterprise_linux_for_ibm_z_systems 8.0_s390x Yes
Operating System redhat enterprise_linux_for_ibm_z_systems 9.0_s390x Yes
Operating System redhat enterprise_linux_for_ibm_z_systems_eus 8.8_s390x Yes
Operating System redhat enterprise_linux_for_ibm_z_systems_eus 9.2_s390x Yes
Operating System redhat enterprise_linux_for_ibm_z_systems_eus 9.4_s390x Yes
Operating System redhat enterprise_linux_for_power_little_endian 8.0_ppc64le Yes
Operating System redhat enterprise_linux_for_power_little_endian 9.0_ppc64le Yes
Operating System redhat enterprise_linux_for_power_little_endian_eus 9.2_ppc64le Yes
Operating System redhat enterprise_linux_for_power_little_endian_eus 9.4_ppc64le Yes
Operating System redhat enterprise_linux_for_real_time 8.0 Yes
Operating System redhat enterprise_linux_for_real_time 9.0 Yes
Operating System redhat enterprise_linux_for_real_time_for_nfv 8.0 Yes
Operating System redhat enterprise_linux_for_real_time_for_nfv 9.0 Yes
Operating System redhat enterprise_linux_server_aus 9.2 Yes
Operating System redhat enterprise_linux_server_aus 9.4 Yes
Operating System redhat enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions 8.8 Yes
Operating System redhat enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions 9.2_ppc64le Yes
Operating System redhat enterprise_linux_server_tus 8.8 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For linux's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.