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CVE-2017-17450

25
FAUCET Score

CVE-2017-17450 is a local privilege escalation vulnerability affecting the Linux kernel through version 4.14.4, specifically within the net/netfilter/xt_osf.c component. It allows local users to bypass access restrictions by manipulating the xt_osf_fingers data structure without requiring the CAP_NET_ADMIN capability. With a CVSS score of 7.8 (High), this vulnerability has a low attack complexity and can lead to high impacts on confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available 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

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.39%
Probability of exploitation in next 30 days
EPSS Percentile
31.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0039 is in the 71st percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (4)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-alt
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2017-17450Low

kernel: Unchecked capabilities in net/netfilter/xt_osf.c allows for unprivileged modification to systemwide fingerprint list

Dec 5, 2017

References

lists.opensuse.org / opensuse-security-announce/2018-01/msg00007.html
lkml.org / lkml/2017/12/5/982
Third Party Advisory
usn.ubuntu.com / 3583-1
usn.ubuntu.com / 3583-2
usn.ubuntu.com / 3617-1
usn.ubuntu.com / 3617-2
usn.ubuntu.com / 3617-3
usn.ubuntu.com / 3619-1
usn.ubuntu.com / 3619-2
usn.ubuntu.com / 3632-1
debian.org / security/2017/dsa-4073
debian.org / security/2018/dsa-4082
securityfocus.com / bid/102110
Third Party AdvisoryVDB Entry