In the Linux kernel before 5.2.14, rds6_inc_info_copy in net/rds/recv.c allows attackers to obtain sensitive information from kernel stack memory because tos and flags fields are not initialized.
https://usn.ubuntu.com/4157-2/
https://usn.ubuntu.com/4157-1/
https://support.f5.com/csp/article/K48351130?utm_source=f5support&%3Butm_medium=RSS
https://security.netapp.com/advisory/ntap-20191031-0005/
https://github.com/torvalds/linux/commit/7d0a06586b2686ba80c4a2da5f91cb10ffbea736
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.14