CVE-2017-18270
High
CVE-2017-18270
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.
Exploit probability
0.4%
Published
May 18, 2018
Required by
Not available
Last source change
March 15, 2026
02 / AFFECTED SOFTWARE
Affected packages
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2017-18270
View original source
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.
05 / REFERENCES
Further evidence
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=237bbd29f7a049d310d907f4b2716a7feef9abf3
- http://www.securityfocus.com/bid/104254
- 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/237bbd29f7a049d310d907f4b2716a7feef9abf3
- https://support.f5.com/csp/article/K37301725
- https://usn.ubuntu.com/3754-1/
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5