Linux hwe edge: In the Linux kernel, the following vulnerability has been resolved: drm/xe/guc: Synchronize Dead CT worker with unbind Cancel and wait for any Dead… (CVE-2025-68207)
In the Linux kernel, the following vulnerability has been resolved: drm/xe/guc: Synchronize Dead CT worker with unbind Cancel and wait for any Dead CT worker to complete before continuing with device unbinding. Else the worker will end up using resources freed by the undind operation. (cherry picked from commit 492671339114e376aaa38626d637a2751cdef263)
AI Analysis
Technical Summary
The vulnerability in the Linux kernel's drm/xe/guc subsystem was due to a lack of synchronization between the Dead CT worker and the device unbinding process. Without proper synchronization, the Dead CT worker could continue to use resources that were freed during unbinding, potentially causing serious system issues. The fix involves canceling and waiting for the Dead CT worker to finish before proceeding with unbinding, preventing use-after-free conditions.
Potential Impact
Exploitation of this vulnerability could lead to complete compromise of confidentiality, integrity, and availability of the affected system due to use-after-free conditions in kernel memory management related to device unbinding. This could cause system crashes, data corruption, or unauthorized access to sensitive information.
Mitigation Recommendations
A fix for this vulnerability has been implemented and merged into the Linux kernel source code. Users and administrators should update to a Linux kernel version that includes the commit identified by hash 492671339114e376aaa38626d637a2751cdef263 or later. Patch status is not explicitly confirmed in the provided data; therefore, check the official Linux kernel advisories or vendor updates for the exact fixed versions and apply updates accordingly.
Linux hwe edge: In the Linux kernel, the following vulnerability has been resolved: drm/xe/guc: Synchronize Dead CT worker with unbind Cancel and wait for any Dead… (CVE-2025-68207)
Description
In the Linux kernel, the following vulnerability has been resolved: drm/xe/guc: Synchronize Dead CT worker with unbind Cancel and wait for any Dead CT worker to complete before continuing with device unbinding. Else the worker will end up using resources freed by the undind operation. (cherry picked from commit 492671339114e376aaa38626d637a2751cdef263)
CVSS v3.1
Score 7.8high
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in the Linux kernel's drm/xe/guc subsystem was due to a lack of synchronization between the Dead CT worker and the device unbinding process. Without proper synchronization, the Dead CT worker could continue to use resources that were freed during unbinding, potentially causing serious system issues. The fix involves canceling and waiting for the Dead CT worker to finish before proceeding with unbinding, preventing use-after-free conditions.
Potential Impact
Exploitation of this vulnerability could lead to complete compromise of confidentiality, integrity, and availability of the affected system due to use-after-free conditions in kernel memory management related to device unbinding. This could cause system crashes, data corruption, or unauthorized access to sensitive information.
Mitigation Recommendations
A fix for this vulnerability has been implemented and merged into the Linux kernel source code. Users and administrators should update to a Linux kernel version that includes the commit identified by hash 492671339114e376aaa38626d637a2751cdef263 or later. Patch status is not explicitly confirmed in the provided data; therefore, check the official Linux kernel advisories or vendor updates for the exact fixed versions and apply updates accordingly.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-gpjr-mmqq-6x4g
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2025-68207"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
Threat ID: 6a6b72d39c2644c7f847860e
Added to database: 07/30/2026, 15:50:43 UTC
Last enriched: 07/30/2026, 18:26:24 UTC
Last updated: 09/10/2026, 19:36:51 UTC
Views: 9
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