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.
- Score
- CVSS 3.1 7.3 High
- Status
- Analyzed - secalert@redhat.com
- Published
- 2025-10-30
- Last modified
- 2026-04-20
- Weaknesses
- CWE-416
Affected products
- Debian Linux (Debian)
- Aix (Ibm)
- Vios (Ibm)
- Enterprise Linux (Redhat)
- Enterprise Linux Aus (Redhat)
- Enterprise Linux Els (Redhat)
- Enterprise Linux Eus (Redhat)
- Enterprise Linux Tus (Redhat)
- Enterprise Linux Update Services For Sap Solutions (Redhat)
- Rhel Aus (Redhat)
- Rhel E4s (Redhat)
- Rhel Els (Redhat)
- Rhel Eus (Redhat)
- Rhel Eus Long Life (Redhat)
- Rhel Tus (Redhat)
- X Server (X.org)
- Xwayland (X.org)
References
- https://access.redhat.com/errata/RHSA-2025:19432
- https://access.redhat.com/errata/RHSA-2025:19433
- https://access.redhat.com/errata/RHSA-2025:19434
- https://access.redhat.com/errata/RHSA-2025:19435
- https://access.redhat.com/errata/RHSA-2025:19489
- https://access.redhat.com/errata/RHSA-2025:19623
- https://access.redhat.com/errata/RHSA-2025:19909
- https://access.redhat.com/errata/RHSA-2025:20958
- https://access.redhat.com/errata/RHSA-2025:20960
- https://access.redhat.com/errata/RHSA-2025:20961
- https://access.redhat.com/errata/RHSA-2025:21035
- https://access.redhat.com/errata/RHSA-2025:22040
- https://access.redhat.com/errata/RHSA-2025:22041
- https://access.redhat.com/errata/RHSA-2025:22051
- https://access.redhat.com/errata/RHSA-2025:22055
- https://access.redhat.com/errata/RHSA-2025:22056
- https://access.redhat.com/errata/RHSA-2025:22077
- https://access.redhat.com/errata/RHSA-2025:22096
- https://access.redhat.com/errata/RHSA-2025:22164
- https://access.redhat.com/errata/RHSA-2025:22167
- https://access.redhat.com/errata/RHSA-2025:22364
- https://access.redhat.com/errata/RHSA-2025:22365
- https://access.redhat.com/errata/RHSA-2025:22426
- https://access.redhat.com/errata/RHSA-2025:22427
- https://access.redhat.com/errata/RHSA-2025:22667
- https://access.redhat.com/errata/RHSA-2025:22729
- https://access.redhat.com/errata/RHSA-2025:22742
- https://access.redhat.com/errata/RHSA-2025:22753
- https://access.redhat.com/errata/RHSA-2026:0031
- https://access.redhat.com/errata/RHSA-2026:0033