Saturday, November 28, 2020

CVE-2020-29373

An issue was discovered in fs/io_uring.c in the Linux kernel before 5.6. It unsafely handles the root directory during path lookups, and thus a process inside a mount namespace can escape to unintended filesystem locations, aka CID-ff002b30181d.
CVE-2020-29373
 

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Thanks for everything Templateism - You should have written the code a little more complicated