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Change History

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

nvmet: always initialize cqe.result

The spec doesn't mandate that the first two double words (aka results)
for the command queue entry need to be set to 0 when they are not
used (not specified). Though, the target implemention returns 0 for TCP
and FC but not for RDMA.

Let's make RDMA behave the same and thus explicitly initializing the
result field. This prevents leaking any data from the stack.

kernel.org https://git.kernel.org/stable/c/0990e8a863645496b9e3f91cfcfd63cd95c80319 [No types assigned]

kernel.org https://git.kernel.org/stable/c/10967873b80742261527a071954be8b54f0f8e4d [No types assigned]

kernel.org https://git.kernel.org/stable/c/30d35b24b7957922f81cfdaa66f2e1b1e9b9aed2 [No types assigned]

kernel.org https://git.kernel.org/stable/c/cd0c1b8e045a8d2785342b385cb2684d9b48e426 [No types assigned]