CVE-2019-18680
HIGHCVSS 7.5/10EPSS 3.64%
Last modified
CVE-2019-18680 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 3.64% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 4.4.179, < 4.4.195 |
References
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.195Exploit, Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/91573ae4aed0a49660abdad4d42f2a0db995ee5ePatch, Third Party Advisory
- https://lkml.org/lkml/2019/9/18/337Exploit, Mailing List, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20191205-0001/Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.195Exploit, Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/91573ae4aed0a49660abdad4d42f2a0db995ee5ePatch, Third Party Advisory
- https://lkml.org/lkml/2019/9/18/337Exploit, Mailing List, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20191205-0001/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2019-18680?
CVE-2019-18680 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.64% probability of exploitation in the next 30 days.
How do I fix CVE-2019-18680?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2019-18680?
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Scan your code nowSource: NVD / NIST