CVE-2024-21885
Published: Feb 28, 2024
Modified: Nov 6, 2025
CVSS v3.1
7.8
Description
A flaw was found in X.Org server. In the XISendDeviceHierarchyEvent function, it is possible to exceed the allocated array length when certain new device IDs are added to the xXIHierarchyInfo struct. This can trigger a heap buffer overflow condition, which may lead to an application crash or remote code execution in SSH X11 forwarding environments.
| Vendor | Product | Versions |
|---|---|---|
Unknown | xorg-server | affected 0 - < 21.1.11unaffected 21.1.11 - < * |
Unknown | xwayland | affected 0 - < 23.2.4unaffected 23.2.4 - < * |
Red Hat | Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION | unaffected 0:1.1.0-25.el6_10.13 - < * |
Red Hat | Red Hat Enterprise Linux 7 | unaffected 0:1.20.4-27.el7_9 - < * |
Red Hat | Red Hat Enterprise Linux 7 | unaffected 0:1.8.0-31.el7_9 - < * |
Red Hat | Red Hat Enterprise Linux 8 | unaffected 0:1.13.1-2.el8_9.7 - < * |
Red Hat | Red Hat Enterprise Linux 8 | unaffected 0:1.20.11-22.el8 - < * |
Red Hat | Red Hat Enterprise Linux 8 | unaffected 0:21.1.3-15.el8 - < * |
Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | unaffected 0:1.9.0-15.el8_2.9 - < * |
Red Hat | Red Hat Enterprise Linux 8.2 Telecommunications Update Service | unaffected 0:1.9.0-15.el8_2.9 - < * |
Red Hat | Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions | unaffected 0:1.9.0-15.el8_2.9 - < * |
Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | unaffected 0:1.11.0-8.el8_4.8 - < * |
Red Hat | Red Hat Enterprise Linux 8.4 Telecommunications Update Service | unaffected 0:1.11.0-8.el8_4.8 - < * |
Red Hat | Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions | unaffected 0:1.11.0-8.el8_4.8 - < * |
Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support | unaffected 0:1.12.0-6.el8_6.9 - < * |
Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support | unaffected 0:1.12.0-15.el8_8.7 - < * |
Red Hat | Red Hat Enterprise Linux 9 | unaffected 0:1.13.1-3.el9_3.6 - < * |
Red Hat | Red Hat Enterprise Linux 9 | unaffected 0:1.20.11-24.el9 - < * |
Red Hat | Red Hat Enterprise Linux 9 | unaffected 0:22.1.9-5.el9 - < * |
Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support | unaffected 0:1.11.0-22.el9_0.8 - < * |
Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | unaffected 0:1.12.0-14.el9_2.5 - < * |
Red Hat | Red Hat Enterprise Linux 6 | All versions |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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