PT-2026-27660 · Linux · Linux
Published
2026-03-25
·
Updated
2026-03-25
·
CVE-2026-23295
None
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In the Linux kernel, the following vulnerability has been resolved:
accel/amdxdna: Fix dead lock for suspend and resume
When an application issues a query IOCTL while auto suspend is running,
a deadlock can occur. The query path holds dev lock and then calls
pm runtime resume and get(), which waits for the ongoing suspend to
complete. Meanwhile, the suspend callback attempts to acquire dev lock
and blocks, resulting in a deadlock.
Fix this by releasing dev lock before calling pm runtime resume and get()
and reacquiring it after the call completes. Also acquire dev lock in the
resume callback to keep the locking consistent.
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Related Identifiers
Affected Products
Linux