Versions Affected : All verisons prior to FreeNAS 11.3-U5

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Description

getfsstat(2) is a system call which provides information about mounted filesystems. The kernel provides compatibility system calls for old versions of the interface.

A bug in an internal interface used by getfsstat(2) compatibility system calls could result in a free of an uninitialized pointer when getfsstat(2) is called with an invalid argument.

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Workaround

No workaround is available.

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Mitigation

• Upgrade to FreeNAS 11.3-U5 or later.

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Commit

• FreeBSD Revision : r365254
• FreeNAS Commit : e9bdcaa
• JIRA Ticket : NAS-107090

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Further information

• FreeBSD EN Entry