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 (5)
Core 5
Core References
Issue Tracking, Patch x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1451386
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c70422f760c120480fee4de6c38804c72aa26bc1
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://github.com/torvalds/linux/commit/c70422f760c120480fee4de6c38804c72aa26bc1
Mailing List, Patch, Third Party Advisory x_refsource_confirm
https://www.spinics.net/lists/linux-nfs/msg63334.html
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/98551
Scores
CVSS v3
5.5
EPSS
0.0012
EPSS Percentile
30.5%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-404
Status
published
Products (1)
linux/linux_kernel
< 4.11.1
Published
May 18, 2017
Tracked Since
Feb 18, 2026