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-2017-5550

20
FAUCET Score

CVE-2017-5550 is an off-by-one error in the Linux kernel's pipe_advance function, affecting versions prior to 4.9.5. This local vulnerability allows an attacker to read sensitive information from uninitialized heap memory. With a CVSS score of 5.5 (Medium), it requires local access and has high confidentiality impact but no integrity or availability impact. There is no known public exploit code (Metasploit, Nuclei, ExploitDB), nor is it listed in CISA's KEV catalog, and it has received negligible community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.9.4CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.41%
Probability of exploitation in next 30 days
EPSS Percentile
33.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0041 is in the 89th percentile among its peer group of 15,938 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 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 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2017-5550Moderate

kernel: Information leak due to fencepost error in pipe_advance()

Jan 15, 2017

References

git.kernel.org / cgit/linux/kernel/git/torvalds/linux.git/commit
Issue TrackingPatchThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatch
github.com / torvalds/linux/commit/b9dc6f65bc5e232d1c05fe34b5daadc7e8bbf1fb
Issue TrackingPatchThird Party Advisory
kernel.org / pub/linux/kernel/v4.x/ChangeLog-4.9.5
Release NotesVendor Advisory
openwall.com / lists/oss-security/2017/01/21/3
Mailing ListPatchThird Party Advisory
securityfocus.com / bid/95716
Third Party AdvisoryVDB Entry