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CVE-2025-62230

HIGHCVSS 7.3/10EPSS 0.26%

Last modified

CVE-2025-62230 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. 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. EPSS estimates a 0.26% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.3/10

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

EPSS Probability
0.26%

17.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
X.OrgX Server< 21.1.19
X.OrgXwayland< 24.1.9
IbmVios>= 4.1.0, < 4.1.1.30
IbmVios4.1.2.0
IbmAix>= 7.2.5, < 7.2.5.12
IbmAix>= 7.3.2, < 7.3.3.3
IbmAix7.3.4
DebianDebian Linux11.0
RedhatEnterprise Linux8.0
RedhatEnterprise Linux9.0
RedhatEnterprise Linux10.0
RedhatEnterprise Linux Aus8.2
RedhatEnterprise Linux Aus8.4
RedhatEnterprise Linux Aus8.6
RedhatEnterprise Linux Els6.0
RedhatEnterprise Linux Els7.0
RedhatEnterprise Linux Eus8.4
RedhatEnterprise Linux Eus9.4
RedhatEnterprise Linux Tus8.6
RedhatEnterprise Linux Tus8.8
RedhatEnterprise Linux Update Services For Sap Solutions8.6
RedhatEnterprise Linux Update Services For Sap Solutions8.8
RedhatEnterprise Linux Update Services For Sap Solutions9.0
RedhatEnterprise Linux Update Services For Sap Solutions9.2

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is 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, leading to a use-after-free condition. This can cause memory corruption or a crash when affected clients disconnect.
How severe is CVE-2025-62230?
CVE-2025-62230 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.
How do I fix CVE-2025-62230?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST