PT-2017-18676 · Linux+1 · Linux Kernel+1

Kinglong Mee · Published 2017-05-18 · Updated 2019-10-03 · CVE-2017-9059

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.11.1

Description The issue allows local users to cause a denial of service by leveraging improper channel callback shutdown when unmounting an NFSv4 filesystem. This is due to a "module reference and kernel daemon" leak in the NFSv4 implementation.

Recommendations For versions prior to 4.11.1, update to version 4.11.1 or later to resolve the issue.

Fix

DoS

Improper Resource Release

Weakness Enumeration

CWE-404

Related Identifiers

ALT-PU-2017-1854

ALT-PU-2018-1991

CVE-2017-9059

Affected Products

Alt Linux

Linux Kernel

References · 12

• https://github.com/torvalds/linux/commit/c70422f760c120480fee4de6c38804c72aa26bc1 · Patch
• https://osv.dev/vulnerability/CVE-2017-9059 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2017-9059 · Security Note
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c70422f760c120480fee4de6c38804c72aa26bc1 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2017-9059 · Security Note
• https://ubuntu.com/security/CVE-2017-9059 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-9059 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-9059 · Vendor Advisory
• https://spinics.net/lists/linux-nfs/msg63334.html · Patch
• https://security-tracker.debian.org/tracker/CVE-2017-9059 · Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1451386 · Patch
• http://securityfocus.com/bid/98551 · Note