Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2017-17449

19
FAUCET Score

CVE-2017-17449 is a vulnerability in the Linux kernel (through 4.14.4) affecting systems with CONFIG_NLMON enabled. It allows a local attacker with CAP_NET_ADMIN privileges to observe all Netlink messages across the system, potentially exposing sensitive information. The vulnerability has a CVSS v3.0 score of 4.7 (Medium), indicating a local attack vector with high attack complexity and a high impact on confidentiality. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.14.4CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.7MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.0
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.44%
Probability of exploitation in next 30 days
EPSS Percentile
35.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0044 is in the 84th percentile among its peer group of 1,297 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt-0:3.10.0-862.rt56.804.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-alt-0:4.14.0-49.el7a
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-0:3.10.0-862.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7.4 Extended Update SupportFixed in: kernel-0:3.10.0-693.25.2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: kernel-rt-1:3.10.0-693.25.2.rt56.612.el6rt
View patch

Vendor Advisories (1)

redhatCVE-2017-17449Moderate

kernel: Missing namespace check in net/netlink/af_netlink.c allows for network monitors to observe systemwide activity

Dec 5, 2017

References

access.redhat.com / errata/RHSA-2018:0654
access.redhat.com / errata/RHSA-2018:0676
access.redhat.com / errata/RHSA-2018:1062
access.redhat.com / errata/RHSA-2018:1130
access.redhat.com / errata/RHSA-2018:1170
lkml.org / lkml/2017/12/5/950
Mailing ListThird Party Advisory
source.android.com / security/bulletin/pixel/2018-04-01
usn.ubuntu.com / 3619-1
usn.ubuntu.com / 3619-2
usn.ubuntu.com / 3653-1
usn.ubuntu.com / 3653-2
usn.ubuntu.com / 3655-1
usn.ubuntu.com / 3655-2
usn.ubuntu.com / 3657-1
debian.org / security/2017/dsa-4073
debian.org / security/2018/dsa-4082
securityfocus.com / bid/102122
Third Party AdvisoryVDB Entry