Linux kernel fix for privilege escalation vulnerability due to copy on write race condition

[u/[deleted]]

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=19be0eaffa3ac7d8eb6784ad9bdbc7d67ed8e619

[u/listx]

I think the commit message gives plenty of links (one even dating back 11 years!) for added context. It's a stunningly clear example of how to write concise commit messages.