Vulnerability 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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://access.redhat.com/errata/RHSA-2024:0320
- https://access.redhat.com/errata/RHSA-2024:0557
- https://access.redhat.com/errata/RHSA-2024:0558
- https://access.redhat.com/errata/RHSA-2024:0597
- https://access.redhat.com/errata/RHSA-2024:0607
- https://access.redhat.com/errata/RHSA-2024:0614
- https://access.redhat.com/errata/RHSA-2024:0617
- https://access.redhat.com/errata/RHSA-2024:0621
- https://access.redhat.com/errata/RHSA-2024:0626
- https://access.redhat.com/errata/RHSA-2024:0629
- https://access.redhat.com/errata/RHSA-2024:2169
- https://access.redhat.com/errata/RHSA-2024:2170
- https://access.redhat.com/errata/RHSA-2024:2995
- https://access.redhat.com/errata/RHSA-2024:2996
- https://access.redhat.com/errata/RHSA-2025:12751
FAQ
What is CVE-2024-21885?
CVE-2024-21885 is a vulnerability with a CVSS score of 7.8 (HIGH). 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. ...
How severe is CVE-2024-21885?
CVE-2024-21885 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-21885?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.