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HIGH · 7.3

CVE-2025-62230

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,...

Vulnerability 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.

CVSS Score

7.3

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
HIGH

Affected Products

VendorProductVersions
X.OrgX Server< 21.1.19
X.OrgXwayland< 24.1.9
IbmVios>= 4.1.0, < 4.1.1.30
IbmAix>= 7.2.5, < 7.2.5.12
DebianDebian Linux11.0
RedhatEnterprise Linux8.0
RedhatEnterprise Linux Aus8.2
RedhatEnterprise Linux Els6.0
RedhatEnterprise Linux Eus8.4
RedhatEnterprise Linux Tus8.6
RedhatEnterprise Linux Update Services For Sap Solutions8.6

Related Weaknesses (CWE)

CWE-416

References

FAQ

What is CVE-2025-62230?

CVE-2025-62230 is a vulnerability with a CVSS score of 7.3 (HIGH). 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,...

How severe is CVE-2025-62230?

CVE-2025-62230 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-62230?

Check the references section above for vendor advisories and patch information. Affected products include: X.Org X Server, X.Org Xwayland, Ibm Vios, Ibm Aix, Debian Debian Linux.