An issue was discovered in the Linux kernel 4.4.x before 4.4.195. There is a NULL pointer dereference in rds_tcp_kill_sock() in net/rds/tcp.c that will cause denial of service, aka CID-91573ae4aed0.
https://security.netapp.com/advisory/ntap-20191205-0001/
https://github.com/torvalds/linux/commit/91573ae4aed0a49660abdad4d42f2a0db995ee5e
https://lkml.org/lkml/2019/9/18/337
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=91573ae4aed0a49660abdad4d42f2a0db995ee5e
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.195
Source: Mitre, NVD
Published: 2019-11-04
Updated: 2023-01-17
Base Score: 7.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
Severity: High
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.01696