An issue was discovered in rds_tcp_kill_sock in net/rds/tcp.c in the Linux kernel before 5.0.8. There is a race condition leading to a use-after-free, related to net namespace cleanup.
- http://packetstormsecurity.com/files/153799/Kernel-Live-Patch-Security-Notice-LSN-0053-1.html
- https://seclists.org/bugtraq/2019/Jun/26
- https://usn.ubuntu.com/4005-1/
- https://usn.ubuntu.com/4008-1/
- https://usn.ubuntu.com/4068-1/
- https://usn.ubuntu.com/4118-1/
- https://github.com/Sec20-Paper310/Paper310
- https://github.com/alphaSeclab/sec-daily-2019