CVE-2016-9919
HIGHCVSS 7.5/10EPSS 5.67%
Last modified
CVE-2016-9919 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The icmp6_send function in net/ipv6/icmp.c in the Linux kernel through 4.8.12 omits a certain check of the dst data structure, which allows remote attackers to cause a denial of service (panic) via a fragmented IPv6 packet.. EPSS estimates a 5.67% chance of exploitation in the next 30 days.
Description
The icmp6_send function in net/ipv6/icmp.c in the Linux kernel through 4.8.12 omits a certain check of the dst data structure, which allows remote attackers to cause a denial of service (panic) via a fragmented IPv6 packet.
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 | Update |
|---|---|---|---|
| Linux | Linux Kernel | >= 4.8.10, < 4.9 | — |
| Linux | Linux Kernel | 4.4.223 | — |
| Linux | Linux Kernel | 4.9 | Rc6 |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=79dc7e3f1cd323be4c81aa1a94faa1b3ed987fb2Issue Tracking, Patch, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2016/12/08/15Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/94824Third Party Advisory, VDB Entry
- https://github.com/torvalds/linux/commit/79dc7e3f1cd323be4c81aa1a94faa1b3ed987fb2Issue Tracking, Patch, Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=79dc7e3f1cd323be4c81aa1a94faa1b3ed987fb2Issue Tracking, Patch, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2016/12/08/15Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/94824Third Party Advisory, VDB Entry
- https://github.com/torvalds/linux/commit/79dc7e3f1cd323be4c81aa1a94faa1b3ed987fb2Issue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-9919?
The icmp6_send function in net/ipv6/icmp.c in the Linux kernel through 4.8.12 omits a certain check of the dst data structure, which allows remote attackers to cause a denial of service (panic) via a fragmented IPv6 packet.
How severe is CVE-2016-9919?
CVE-2016-9919 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 5.67% probability of exploitation in the next 30 days.
How do I fix CVE-2016-9919?
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-2016-9919?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST