CVE-2017-9059

low-risk

Published 2017-05-18

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.

Do I need to act?

0.12% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.5/10 Medium

LOCAL / LOW complexity

Affected Products (1)

Linux Kernel

Affected Vendors

Linux

References (10)

Issue Tracking http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c70422...

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

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

Issue Tracking https://github.com/torvalds/linux/commit/c70422f760c120480fee4de6c38804c72aa26bc...

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

Issue Tracking http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c70422...

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

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

Issue Tracking https://github.com/torvalds/linux/commit/c70422f760c120480fee4de6c38804c72aa26bc...

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

/ 100

low-risk

Severity 18/34 · Moderate

Exploitability 1/34 · Minimal

Exposure 5/34 · Minimal