CVE-2024-21885

high

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.

References

https://security.netapp.com/advisory/ntap-20240503-0004/

https://bugzilla.redhat.com/show_bug.cgi?id=2256540

https://bugzilla.redhat.com/show_bug.cgi?id=2256540

https://access.redhat.com/security/cve/CVE-2024-21885

https://access.redhat.com/security/cve/CVE-2024-21885

https://access.redhat.com/errata/RHSA-2024:2996

https://access.redhat.com/errata/RHSA-2024:2996

https://access.redhat.com/errata/RHSA-2024:2995

https://access.redhat.com/errata/RHSA-2024:2995

https://access.redhat.com/errata/RHSA-2024:2170

https://access.redhat.com/errata/RHSA-2024:2170

https://access.redhat.com/errata/RHSA-2024:2169

https://access.redhat.com/errata/RHSA-2024:2169

https://access.redhat.com/errata/RHSA-2024:0629

https://access.redhat.com/errata/RHSA-2024:0629

https://access.redhat.com/errata/RHSA-2024:0626

https://access.redhat.com/errata/RHSA-2024:0626

https://access.redhat.com/errata/RHSA-2024:0621

https://access.redhat.com/errata/RHSA-2024:0621

https://access.redhat.com/errata/RHSA-2024:0617

https://access.redhat.com/errata/RHSA-2024:0617

https://access.redhat.com/errata/RHSA-2024:0614

https://access.redhat.com/errata/RHSA-2024:0614

https://access.redhat.com/errata/RHSA-2024:0607

https://access.redhat.com/errata/RHSA-2024:0607

https://access.redhat.com/errata/RHSA-2024:0597

https://access.redhat.com/errata/RHSA-2024:0597

https://access.redhat.com/errata/RHSA-2024:0558

https://access.redhat.com/errata/RHSA-2024:0558

https://access.redhat.com/errata/RHSA-2024:0557

https://access.redhat.com/errata/RHSA-2024:0557

https://access.redhat.com/errata/RHSA-2024:0320

https://access.redhat.com/errata/RHSA-2024:0320

Details

Source: Mitre, NVD

Published: 2024-02-28

Updated: 2024-07-03

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High