Linux kernel is vulnerable to privilege escalation. An attacker may exploit the vulnerability by triggering a free of kernel buffer by using the IORING_OP_PROVIDE_BUFFERS in the loop_rw_iter in fs/io_uring.c.
git://git.launchpad.net/ubuntu-cve-tracker/tree/active/CVE-2021-41073
www.openwall.com/lists/oss-security/2021/09/18/2
www.openwall.com/lists/oss-security/2022/06/04/4
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=16c8d2df7ec0eed31b7d3b61cb13206a7fb930cc
lists.fedoraproject.org/archives/list/[email protected]/message/J7KSMIOQ4377CVTHMWNGNCWHMCRFRP2T/
lists.fedoraproject.org/archives/list/[email protected]/message/PAP4TXEZ7J4EZQMQW5SIJMWXG7WZT3F7/
security.netapp.com/advisory/ntap-20211014-0003/
www.debian.org/security/2021/dsa-4978