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CVE-2017-5669

26
FAUCET Score

CVE-2017-5669 is a high-severity vulnerability in the Linux kernel (through version 4.9.12) that allows local users to bypass a memory protection mechanism by mapping page zero. This flaw affects various Linux distributions, including Canonical and Debian. With a CVSS score of 7.8, it presents a high risk for confidentiality, integrity, and availability, requiring low privileges and local access. Despite its severity, there is no known active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.11CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/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
3.1

Exploit Intelligence

EPSS Score
0.40%
Probability of exploitation in next 30 days
EPSS Percentile
32.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0040 is in the 72nd percentile among its peer group of 17,061 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

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2017-5669Low

kernel: Shmat allows mmap null page protection bypass

Jan 20, 2017

References

bugzilla.kernel.org / show_bug.cgi
Issue TrackingPatchVendor Advisory
github.com / torvalds/linux/commit/95e91b831f87ac8e1f8ed50c14d709089b4e01b8
PatchThird Party Advisory
github.com / torvalds/linux/commit/e1d35d4dc7f089e6c9c080d556feedf9c706f0c7
PatchThird Party Advisory
usn.ubuntu.com / 3583-1
Third Party Advisory
usn.ubuntu.com / 3583-2
Third Party Advisory
debian.org / security/2017/dsa-3804
Third Party Advisory
securityfocus.com / bid/96754
Third Party AdvisoryVDB Entry
securitytracker.com / id/1037918
Third Party AdvisoryVDB Entry