Description
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.
References (5)
Core 5
Core References
Exploit, Mailing List, Vendor Advisory x_refsource_misc
https://lkml.org/lkml/2019/9/18/337
Exploit, Patch, Vendor Advisory x_refsource_misc
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.195
Patch, Third Party Advisory x_refsource_misc
https://github.com/torvalds/linux/commit/91573ae4aed0a49660abdad4d42f2a0db995ee5e
Patch, Vendor Advisory x_refsource_misc
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=91573ae4aed0a49660abdad4d42f2a0db995ee5e
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20191205-0001/
Scores
CVSS v3
7.5
EPSS
0.0170
EPSS Percentile
82.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-476
Status
published
Products (1)
linux/linux_kernel
4.4.179 - 4.4.195
Published
Nov 04, 2019
Tracked Since
Feb 18, 2026