Versions Affected : All verisons prior to FreeNAS 11.3-U3.2

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Description

mps(4) implements a pass-through interface which allows privileged user processes to submit commands directly to disks behind the controller.

A bug in the code which copies command results out to the requesting process could cause a kernel panic.

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Workaround

No workaround is available.

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Mitigation

• Upgrade to FreeNAS 11.3-U4.1 or later.

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Commit

• FreeBSD Revision : r363024
• FreeNAS Commit : 956b492
• JIRA Ticket : NAS-106415

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Further information

• FreeBSD Errata Entry