CVE-2017-9059

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.05%
Third-Party Advisory kernel.org Third-Party Advisory github.com Third-Party Advisory spinics.net
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1451386 patch issue tracking
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c70422f760c120480fee4de6c38804c72aa26bc1 patch third party advisory issue tracking
https://github.com/torvalds/linux/commit/c70422f760c120480fee4de6c38804c72aa26bc1 patch third party advisory issue tracking
https://www.spinics.net/lists/linux-nfs/msg63334.html patch mailing list third party advisory
http://www.securityfocus.com/bid/98551 vdb entry

Frequently Asked Questions

What is the severity of CVE-2017-9059?
CVE-2017-9059 has been scored as a medium severity vulnerability.
How to fix CVE-2017-9059?
To fix CVE-2017-9059, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-9059 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-9059 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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