CVE-2025-62230

Oct. 30, 2025, 3:03 p.m.

7.3
High

Description

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.

Product(s) Impacted

Vendor Product Versions
X.org
  • X Server
  • X Keyboard Extension
  • *
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-416
Use After Free
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a x.org x_server / / / / / / / /
a x.org x_keyboard_extension / / / / / / / /

References

https://access.redhat.com/security/cve/CVE-2025-62230
https://bugzilla.redhat.com/show_bug.cgi?id=2402653

Tags

secalert@redhat.com
CWE-416
2025-10-30
CVE-2025-62230

CVSS Score

7.3 / 10

CVSS Data - 3.1

  • Attack Vector: LOCAL
  • Attack Complexity: LOW
  • Privileges Required: LOW
  • Scope: UNCHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: LOW
  • Availability Impact: HIGH

    • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H

    View Vector String

Timeline

Published: Oct. 30, 2025, 6:15 a.m.
Last Modified: Oct. 30, 2025, 3:03 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

secalert@redhat.com

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.