An issue was discovered in the Linux kernel before 6.6.8. do_vcc_ioctl in net/atm/ioctl.c has a use-after-free because of a vcc_recvmsg race condition.
https://security.netapp.com/advisory/ntap-20240419-0001/
https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html
https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
https://github.com/torvalds/linux/commit/24e90b9e34f9e039f56b5f25f6e6eb92cdd8f4b3
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.8