CVE-2017-9059

MEDIUM

Description

The NFSv4 implementation in the Linux kernel through 4.11.1 allows local users to cause a denial of service (resource consumption) by leveraging improper channel callback shutdown when unmounting an NFSv4 filesystem, aka a "module reference and kernel daemon" leak.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c70422f760c120480fee4de6c38804c72aa26bc1

http://www.securityfocus.com/bid/98551

https://bugzilla.redhat.com/show_bug.cgi?id=1451386

https://github.com/torvalds/linux/commit/c70422f760c120480fee4de6c38804c72aa26bc1

https://www.spinics.net/lists/linux-nfs/msg63334.html

Details

Source: MITRE

Published: 2017-05-18

Updated: 2017-05-25

Type: CWE-399

Risk Information

CVSS v2.0

Base Score: 4.9

Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C)

Impact Score: 6.9

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3.0

Base Score: 5.5

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

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM