Bug 2532134 (CVE-2026-80930) - CVE-2026-80930 kernel: tpm: tpm_i2c_nuvoton: disable IRQ on wait timeout
Summary: CVE-2026-80930 kernel: tpm: tpm_i2c_nuvoton: disable IRQ on wait timeout
Keywords:
Status: NEW
Alias: CVE-2026-80930
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-11 20:50 UTC by OSIDB Bzimport
Modified: 2026-09-14 13:36 UTC (History)
17 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:


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Description OSIDB Bzimport 2026-09-11 20:50:07 UTC
In the Linux kernel, the following vulnerability has been resolved:

tpm: tpm_i2c_nuvoton: disable IRQ on wait timeout

i2c_nuvoton_wait_for_stat() enables the IRQ before waiting for the
interrupt handler to report a status change. If the wait times out, or is
interrupted before the handler runs, the function returns without
balancing the enable_irq() call.

Disable the IRQ before leaving the failed wait path. Also preserve an
interrupted wait's original error code instead of converting it to
-ETIMEDOUT inside the helper.


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