CVE-2024-21886
Published: Feb 28, 2024
Modified: Nov 6, 2025
CVSS v3.1
7.8
Description
A heap buffer overflow flaw was found in the DisableDevice function in the X.Org server. This issue may lead to an application crash or, in some circumstances, remote code execution in SSH X11 forwarding environments.
| Vendor | Product | Versions |
|---|---|---|
Unknown | xorg-server | affected 1.21.1.7 |
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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