Vulnerability Description
In the Linux kernel before 4.13.5, a local user could create keyrings for other users via keyctl commands, setting unwanted defaults or causing a denial of service.
CVSS Score
7.1
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 4.13.5 |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=237bbdPatch
- http://www.securityfocus.com/bid/104254Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1580979
- https://bugzilla.redhat.com/show_bug.cgi?id=1856774#c11
- https://bugzilla.redhat.com/show_bug.cgi?id=1856774#c9
- https://github.com/torvalds/linux/commit/237bbd29f7a049d310d907f4b2716a7feef9abfPatch
- https://support.f5.com/csp/article/K37301725
- https://usn.ubuntu.com/3754-1/
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5Release Notes
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=237bbdPatch
- http://www.securityfocus.com/bid/104254Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1580979
- https://bugzilla.redhat.com/show_bug.cgi?id=1856774#c11
- https://bugzilla.redhat.com/show_bug.cgi?id=1856774#c9
- https://github.com/torvalds/linux/commit/237bbd29f7a049d310d907f4b2716a7feef9abfPatch
FAQ
What is CVE-2017-18270?
CVE-2017-18270 is a vulnerability with a CVSS score of 7.1 (HIGH). In the Linux kernel before 4.13.5, a local user could create keyrings for other users via keyctl commands, setting unwanted defaults or causing a denial of service.
How severe is CVE-2017-18270?
CVE-2017-18270 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-18270?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.