Vulnerability CVE-2017-18270
Published: 2018-05-18

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.

Type:

CWE-noinfo

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.6/10
4.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
Partial
Affected software
Linux -> Linux kernel 

 References:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=237bbd29f7a049d310d907f4b2716a7feef9abf3
http://www.securityfocus.com/bid/104254
https://github.com/torvalds/linux/commit/237bbd29f7a049d310d907f4b2716a7feef9abf3
https://usn.ubuntu.com/3754-1/
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5
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