Vulnerability Monitor

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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.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.7, requiring local system access to exploit with relatively low complexity without requiring user interaction . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 2 products from linux, from opensuse organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2019, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2019-08-19T02:15:10.077

Last Modified

2024-11-21T03:20:22.950

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.7 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

3.9

Impact Score

6.4

Weaknesses

Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 4.14.15	Yes
Operating System	opensuse	leap	15.0	Yes
Operating System	opensuse	leap	15.1	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html Third Party Advisory ([email protected])
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.15 Release Notes, Vendor Advisory ([email protected])
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=89c6efa61f5709327ecfa24bff18e57a4e80c7fa Patch, Vendor Advisory ([email protected])
https://support.f5.com/csp/article/K48073202?utm_source=f5support&amp%3Butm_medium=RSS ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.15 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=89c6efa61f5709327ecfa24bff18e57a4e80c7fa Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.f5.com/csp/article/K48073202?utm_source=f5support&amp%3Butm_medium=RSS (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For linux's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.