CVE-2017-9059 Information

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.

CVSS Vector

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

Reference

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

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5