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Change History

In the Linux kernel, the following vulnerability has been resolved:

SUNRPC: lock against ->sock changing during sysfs read

->sock can be set to NULL asynchronously unless ->recv_mutex is held.
So it is important to hold that mutex.  Otherwise a sysfs read can
trigger an oops.
Commit 17f09d3f619a ("SUNRPC: Check if the xprt is connected before
handling sysfs reads") appears to attempt to fix this problem, but it
only narrows the race window.

kernel.org https://git.kernel.org/stable/c/9482ab4540f5bcc869b44c067ae99b5fca16bd07 [No types assigned]

kernel.org https://git.kernel.org/stable/c/b49ea673e119f59c71645e2f65b3ccad857c90ee [No types assigned]