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.
https://github.com/torvalds/linux/commit/cb66ddd156203daefb8d71158036b27b0e2caf63
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.8
http://www.securityfocus.com/bid/108283
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00037.html
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html
https://support.f5.com/csp/article/K32019083
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.html
https://usn.ubuntu.com/4008-1/
https://usn.ubuntu.com/4005-1/
https://usn.ubuntu.com/4008-3/
https://www.debian.org/security/2019/dsa-4465
https://lists.debian.org/debian-lts-announce/2019/06/msg00011.html
https://seclists.org/bugtraq/2019/Jun/26
https://security.netapp.com/advisory/ntap-20190719-0003/
https://usn.ubuntu.com/4068-1/
https://usn.ubuntu.com/4068-2/
http://packetstormsecurity.com/files/153799/Kernel-Live-Patch-Security-Notice-LSN-0053-1.html
Source: MITRE
Published: 2019-05-08
Updated: 2021-07-21
Type: CWE-362
Base Score: 9.3
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 8.6
Severity: HIGH
Base Score: 8.1
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 2.2
Severity: HIGH