A flaw was found in the Linux kernel, where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel’s OverlayFS subsystem in how a user copies a capable file from a nosuid mount into another mount. This uid mapping bug allows a local user to escalate their privileges on the system.
https://www.debian.org/security/2023/dsa-5402
https://security.netapp.com/advisory/ntap-20230420-0004/
https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
https://lists.debian.org/debian-lts-announce/2023/06/msg00008.html
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f11ada10d0a
http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html