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CVE-2025-62230
Good to know:
Date: October 30, 2025
A flaw was discovered in the X.Org X server’s X Keyboard (Xkb) extension when handling client resource cleanup. The software frees certain data structures without properly detaching related resources, leading to a use-after-free condition. This can cause memory corruption or a crash when affected clients disconnect.
Severity Score
Related Resources (35)
Severity Score
Weakness Type (CWE)
Use After Free
CWE-416Top Fix
Upgrade Version
Upgrade to version https://gitlab.freedesktop.org/xorg/xserver.git - xorg-server-21.1.19;https://gitlab.freedesktop.org/xorg/xserver.git - xwayland-24.1.9
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | LOCAL |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | LOW |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | HIGH |
| Integrity (I): | LOW |
| Availability (A): | HIGH |