CVE-2017-18551

Name: CVE-2017-18551
Creator: NVD / NIST
Published: 2019-08-19T02:15:10.077+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.7/10EPSS 0.42%

Last modified Jun 17, 2026

CVE-2017-18551 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. An issue was discovered in drivers/i2c/i2c-core-smbus.c in the Linux kernel before 4.14.15. There is an out of bounds write in the function i2c_smbus_xfer_emulated.. EPSS estimates a 0.42% chance of exploitation in the next 30 days.

Description

An issue was discovered in drivers/i2c/i2c-core-smbus.c in the Linux kernel before 4.14.15. There is an out of bounds write in the function i2c_smbus_xfer_emulated.

Metrics

CVSS 3.1

6.7/10

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.42%

33.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 4.14.15
Opensuse	Leap	15.0
Opensuse	Leap	15.1

References

http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.htmlThird Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.15Release Notes, Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=89c6efa61f5709327ecfa24bff18e57a4e80c7faPatch, Vendor Advisory
https://support.f5.com/csp/article/K48073202?utm_source=f5support&amp%3Butm_medium=RSS
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.htmlThird Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.15Release Notes, Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=89c6efa61f5709327ecfa24bff18e57a4e80c7faPatch, Vendor Advisory
https://support.f5.com/csp/article/K48073202?utm_source=f5support&amp%3Butm_medium=RSS

Timeline

Published: Aug 19, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-18551?

An issue was discovered in drivers/i2c/i2c-core-smbus.c in the Linux kernel before 4.14.15. There is an out of bounds write in the function i2c_smbus_xfer_emulated.

How severe is CVE-2017-18551?

CVE-2017-18551 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.

How do I fix CVE-2017-18551?

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-2017-18551?

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

Scan your code now

Source: NVD / NIST