CVE-2018-6927
UnknownEPSS 0.65%
Last modified
CVE-2018-6927 is a vulnerability of currently unknown severity. The futex_requeue function in kernel/futex.c in the Linux kernel before 4.14.15 might allow attackers to cause a denial of service (integer overflow) or possibly have unspecified other impact by triggering a negative wake or requeue value.. EPSS estimates a 0.65% chance of exploitation in the next 30 days.
Description
The futex_requeue function in kernel/futex.c in the Linux kernel before 4.14.15 might allow attackers to cause a denial of service (integer overflow) or possibly have unspecified other impact by triggering a negative wake or requeue value.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 4.14.15 |
| Canonical | Ubuntu Linux | 12.04 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 17.10 |
| Debian | Debian Linux | 7.0 |
| Debian | Debian Linux | 8.0 |
| Redhat | Virtualization Host | 4.0 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Server Aus | 7.6 |
| Redhat | Enterprise Linux Server Eus | 7.6 |
| Redhat | Enterprise Linux Server Tus | 7.6 |
| Redhat | Enterprise Linux Workstation | 7.0 |
References
- http://www.securityfocus.com/bid/103023Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:0654Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:0676Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1062Third Party Advisory
- https://github.com/torvalds/linux/commit/fbe0e839d1e22d88810f3ee3e2f1479be4c0aa4aPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/3619-1/Third Party Advisory
- https://usn.ubuntu.com/3619-2/Third Party Advisory
- https://usn.ubuntu.com/3697-1/Third Party Advisory
- https://usn.ubuntu.com/3697-2/Third Party Advisory
- https://usn.ubuntu.com/3698-1/Third Party Advisory
- https://usn.ubuntu.com/3698-2/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4187Third Party Advisory
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.15Release Notes, Vendor Advisory
- http://www.securityfocus.com/bid/103023Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:0654Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:0676Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1062Third Party Advisory
- https://github.com/torvalds/linux/commit/fbe0e839d1e22d88810f3ee3e2f1479be4c0aa4aPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/3619-1/Third Party Advisory
- https://usn.ubuntu.com/3619-2/Third Party Advisory
- https://usn.ubuntu.com/3697-1/Third Party Advisory
- https://usn.ubuntu.com/3697-2/Third Party Advisory
- https://usn.ubuntu.com/3698-1/Third Party Advisory
- https://usn.ubuntu.com/3698-2/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4187Third Party Advisory
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.15Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-6927?
The futex_requeue function in kernel/futex.c in the Linux kernel before 4.14.15 might allow attackers to cause a denial of service (integer overflow) or possibly have unspecified other impact by triggering a negative wake or requeue value.
How severe is CVE-2018-6927?
Severity scoring for CVE-2018-6927 is pending analysis. The EPSS model estimates a 0.65% probability of exploitation in the next 30 days.
How do I fix CVE-2018-6927?
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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