CVE-2025-68804
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BaseFortify

Publication date: 2026-01-13

Last updated on: 2026-01-19

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: platform/chrome: cros_ec_ishtp: Fix UAF after unbinding driver After unbinding the driver, another kthread `cros_ec_console_log_work` is still accessing the device, resulting an UAF and crash. The driver doesn't unregister the EC device in .remove() which should shutdown sub-devices synchronously. Fix it.
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Meta Information
Published
2026-01-13
Last Modified
2026-01-19
Generated
2026-06-16
AI Q&A
2026-01-14
EPSS Evaluated
2026-06-14
NVD
CVE-2025-68804
Affected Vendors & Products
Currently, no data is known.
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability is a Use-After-Free (UAF) issue in the Linux kernel's cros_ec_ishtp driver. After the driver is unbound, a kernel thread named cros_ec_console_log_work continues to access the device, which has already been freed, leading to a UAF condition and potential system crash. The root cause is that the driver does not unregister the EC device properly during its removal, failing to shut down sub-devices synchronously.

Impact Analysis

The vulnerability can cause system instability or crashes due to the Use-After-Free condition when the driver accesses freed memory. This can lead to denial of service or potentially other unpredictable behavior in systems using the affected Linux kernel driver.

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