Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 4.14.15 |
| Canonical | Ubuntu Linux | 12.04 |
| Debian | Debian Linux | 7.0 |
| 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 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fbe0e8PatchThird Party Advisory
- http://www.securityfocus.com/bid/103023Third Party AdvisoryVDB 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/fbe0e839d1e22d88810f3ee3e2f1479be4c0aa4PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlMailing ListThird 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 NotesVendor Advisory
FAQ
What is CVE-2018-6927?
CVE-2018-6927 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 trigg...
How severe is CVE-2018-6927?
CVE-2018-6927 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-6927?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Canonical Ubuntu Linux, Debian Debian Linux, Redhat Virtualization Host, Redhat Enterprise Linux Desktop.