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by ebiggers 2676 days ago
AFAICS, this was exposed by the addition of sockfs_setattr() in v4.10. So it's incorrect to claim that kernels older than that are vulnerable, even though the code being fixed was older.

Also, note that there may not actually be a proof-of-concept exploit yet, beyond a reproducer causing a KASAN splat. When people request a CVE for a use-after-free bug they usually just assume that code execution may be possible. (Exploits can be very creative.)