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Change History

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

bpf: Fix verifier assumptions about socket->sk

The verifier assumes that 'sk' field in 'struct socket' is valid
and non-NULL when 'socket' pointer itself is trusted and non-NULL.
That may not be the case when socket was just created and
passed to LSM socket_accept hook.
Fix this verifier assumption and adjust tests.

kernel.org https://git.kernel.org/stable/c/0db63c0b86e981a1e97d2596d64ceceba1a5470e [No types assigned]

kernel.org https://git.kernel.org/stable/c/39f8a29330f433000e716eefc4b9abda05b71a82 [No types assigned]

kernel.org https://git.kernel.org/stable/c/6f5ae91172a93abac9720ba94edf3ec8f4d7f24f [No types assigned]

kernel.org https://git.kernel.org/stable/c/c58ccdd2483a1d990748cdaf94206b5d5986a001 [No types assigned]