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Date: Mon, 15 Aug 2011 15:43:01 +0200
From: Petr Matousek <>
Subject: CVE request -- kernel: perf: fix software event overflow

Hello Steve, vendors.

Under certain circumstances software event overflows go wrong and
deadlock. Avoid trying to delete a timer from the timer callback.

References: (reproducer) (fix)

Upstream fix:
a8b0ca17b80e92faab46ee7179ba9e99ccb61233 (much larger patch that
contains the hunk referenced above)

Thank you,
Petr Matousek / Red Hat Security Response Team

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