CVE-2017-5550

Name: CVE-2017-5550
Creator: NVD / NIST
Published: 2017-02-06T06:59:00.667+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.41%

Last modified Jun 17, 2026

CVE-2017-5550 is a vulnerability of currently unknown severity. Off-by-one error in the pipe_advance function in lib/iov_iter.c in the Linux kernel before 4.9.5 allows local users to obtain sensitive information from uninitialized heap-memory locations in opportunistic circumstances by reading from a pipe after an incorrect buffer-release decision.. EPSS estimates a 0.41% chance of exploitation in the next 30 days.

Description

Off-by-one error in the pipe_advance function in lib/iov_iter.c in the Linux kernel before 4.9.5 allows local users to obtain sensitive information from uninitialized heap-memory locations in opportunistic circumstances by reading from a pipe after an incorrect buffer-release decision.

Metrics

EPSS Probability

0.41%

33.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	<= 4.9.4

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b9dc6f65bc5e232d1c05fe34b5daadc7e8bbf1fbIssue Tracking, Patch, Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5Release Notes, Vendor Advisory
http://www.openwall.com/lists/oss-security/2017/01/21/3Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/95716Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1416116Issue Tracking, Patch
https://github.com/torvalds/linux/commit/b9dc6f65bc5e232d1c05fe34b5daadc7e8bbf1fbIssue Tracking, Patch, Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b9dc6f65bc5e232d1c05fe34b5daadc7e8bbf1fbIssue Tracking, Patch, Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5Release Notes, Vendor Advisory
http://www.openwall.com/lists/oss-security/2017/01/21/3Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/95716Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1416116Issue Tracking, Patch
https://github.com/torvalds/linux/commit/b9dc6f65bc5e232d1c05fe34b5daadc7e8bbf1fbIssue Tracking, Patch, Third Party Advisory

Timeline

Published: Feb 6, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-5550?

How severe is CVE-2017-5550?

Severity scoring for CVE-2017-5550 is pending analysis. The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.

How do I fix CVE-2017-5550?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-5550?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST