CVE-2024-21885
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- CVE-2024-21885
CVE Details
| Release Date: | 2024-01-16 | |
| Impact: | Important | What is this? |
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.
See more information about CVE-2024-21885 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 7.8 |
| Vector String: | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Version: | 3.0 |
| Attack Vector: | Local |
| Attack Complexity: | Low |
| Privileges Required: | Low |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | High |
| Integrity Impact: | High |
| Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 7 (tigervnc) | ELSA-2024-0629 | 2024-02-01 |
| Oracle Linux version 7 (xorg-x11-server) | ELSA-2024-0320 | 2024-01-22 |
| Oracle Linux version 8 (tigervnc) | ELSA-2024-0607 | 2024-01-31 |
| Oracle Linux version 8 (xorg-x11-server) | ELSA-2024-2995 | 2024-05-23 |
| Oracle Linux version 8 (xorg-x11-server-Xwayland) | ELSA-2024-2996 | 2024-05-23 |
| Oracle Linux version 9 (tigervnc) | ELSA-2024-0557 | 2024-01-31 |
| Oracle Linux version 9 (xorg-x11-server) | ELSA-2024-2169 | 2024-05-02 |
| Oracle Linux version 9 (xorg-x11-server-Xwayland) | ELSA-2024-2170 | 2024-05-02 |
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