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Date: Fri, 24 Jun 2016 17:23:43 +1000
From: Michael Ellerman <>
Subject: CVE Request: Linux: powerpc/tm: Always reclaim in start_thread()
 for exec() class syscalls


We've found an issue in the handling of Transactional Memory on powerpc
systems. An unprivileged local user can crash the kernel by starting a
transaction, suspending it, and then calling any of the exec() class system

More info: (test case)

Could you please allocate a CVE for this?


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