Vulnerability Intelligence Report
CVE-2023-0494
A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInfo() and ProcXkbGetDeviceInfo() to read and write into freed memory. This can lead to local privilege elevation on systems where the X server runs privileged and remote code execution for ssh X forwarding sessions.
No Active Exploit Signals
CVSS Base Score
7.8
HIGH
Exploitability:1.9
Impact Score:5.9
EPSS Probability:0.90%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-416 ↗CWE-416
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| x.org | x_server | all |
| fedoraproject | fedora | 36, 37 |
| redhat | enterprise_linux | 8.0, 8.1, 9.0 |
| redhat | enterprise_linux_aus | 8.4, 8.6 |
| redhat | enterprise_linux_desktop | 7.0 |
| redhat | enterprise_linux_eus | 8.4, 8.6, 9.0 |
| redhat | enterprise_linux_for_ibm_z_systems | 7.0, 8.0 |
| redhat | enterprise_linux_for_ibm_z_systems_eus | 8.4, 8.6 |
| redhat | enterprise_linux_for_power_big_endian | 7.0 |
| redhat | enterprise_linux_for_power_little_endian | 7.0, 8.0, 9.0 |
| redhat | enterprise_linux_for_power_little_endian_eus | 8.4, 8.6 |
| redhat | enterprise_linux_for_scientific_computing | 7.0 |
| redhat | enterprise_linux_server | 7.0 |
| redhat | enterprise_linux_server_aus | 8.2 |
| redhat | enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions | 8.1, 8.2, 8.4, 8.6, 9.0 |
| redhat | enterprise_linux_server_tus | 8.2, 8.4, 8.6 |
| redhat | enterprise_linux_server_update_services_for_sap_solutions | 8.2 |
| redhat | enterprise_linux_server_workstation | 7.0 |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.899%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Red Hat, Inc. · Vendor · USA |
| Reserved | 2023-01-25T00:00:00 |
| Published | 2023-03-27T00:00:00 |
| Last Updated | 2025-02-24T17:43:00 |
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