CVE-2017-9077
HIGHCVSS 7.8/10EPSS 0.72%
Last modified
CVE-2017-9077 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. The tcp_v6_syn_recv_sock function in net/ipv6/tcp_ipv6.c in the Linux kernel through 4.11.1 mishandles inheritance, which allows local users to cause a denial of service or possibly have unspecified other impact via crafted system calls, a related issue to CVE-2017-8890.. EPSS estimates a 0.72% chance of exploitation in the next 30 days.
Description
The tcp_v6_syn_recv_sock function in net/ipv6/tcp_ipv6.c in the Linux kernel through 4.11.1 mishandles inheritance, which allows local users to cause a denial of service or possibly have unspecified other impact via crafted system calls, a related issue to CVE-2017-8890.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 3.2.89 |
| Linux | Linux Kernel | >= 3.3, < 3.16.44 |
| Linux | Linux Kernel | >= 3.17, < 3.18.84 |
| Linux | Linux Kernel | >= 3.19, < 4.4.71 |
| Linux | Linux Kernel | >= 4.5, < 4.9.31 |
| Linux | Linux Kernel | >= 4.10, < 4.11.4 |
References
- http://www.debian.org/security/2017/dsa-3886Third Party Advisory
- http://www.securityfocus.com/bid/98583Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:1842Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2077Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2669Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1854Third Party Advisory
- https://github.com/torvalds/linux/commit/83eaddab4378db256d00d295bda6ca997cd13a52Patch, Vendor Advisory
- https://patchwork.ozlabs.org/patch/760370/Patch, Third Party Advisory
- https://source.android.com/security/bulletin/2017-11-01Third Party Advisory
- http://www.debian.org/security/2017/dsa-3886Third Party Advisory
- http://www.securityfocus.com/bid/98583Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:1842Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2077Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2669Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1854Third Party Advisory
- https://github.com/torvalds/linux/commit/83eaddab4378db256d00d295bda6ca997cd13a52Patch, Vendor Advisory
- https://patchwork.ozlabs.org/patch/760370/Patch, Third Party Advisory
- https://source.android.com/security/bulletin/2017-11-01Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-9077?
The tcp_v6_syn_recv_sock function in net/ipv6/tcp_ipv6.c in the Linux kernel through 4.11.1 mishandles inheritance, which allows local users to cause a denial of service or possibly have unspecified other impact via crafted system calls, a related issue to CVE-2017-8890.
How severe is CVE-2017-9077?
CVE-2017-9077 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.72% probability of exploitation in the next 30 days.
How do I fix CVE-2017-9077?
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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