CVE-2017-18270

high

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.

References

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

Details

Source: MITRE

Published: 2018-05-18

Updated: 2020-08-14

Type: NVD-CWE-noinfo

Risk Information

CVSS v2

Base Score: 3.6

Vector: AV:L/AC:L/Au:N/C:N/I:P/A:P

Impact Score: 4.9

Exploitability Score: 3.9

Severity: LOW

CVSS v3

Base Score: 7.1

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Impact Score: 5.2

Exploitability Score: 1.8

Severity: HIGH