Vulnerability Details : CVE-2019-18680
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.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2019-18680
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-18680
0.25%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 62 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-18680
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2019-18680
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-18680
-
https://github.com/torvalds/linux/commit/91573ae4aed0a49660abdad4d42f2a0db995ee5e
net: rds: Fix NULL ptr use in rds_tcp_kill_sock · torvalds/linux@91573ae · GitHubPatch;Third Party Advisory
-
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=91573ae4aed0a49660abdad4d42f2a0db995ee5e
kernel/git/stable/linux.git - Linux kernel stable treePatch;Vendor Advisory
-
https://lkml.org/lkml/2019/9/18/337
LKML: Mao Wenan: [PATCH stable 4.4 net] net: rds: Fix NULL ptr use in rds_tcp_kill_sockExploit;Mailing List;Vendor Advisory
-
https://security.netapp.com/advisory/ntap-20191205-0001/
November 2019 Linux Kernel Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
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https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.195
Exploit;Patch;Vendor Advisory
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