What’s Vulnerable › Vulnerabilities

CVE-2017-18551

• Severity: medium (CVSS 6.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-08-19 · updated 2026-06-17
• Weakness: CWE-787

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.

Affected products

• Linux kernel: before 4.14.15 — fixed in 4.14.15
• openSUSE Leap: 15.0, 15.1

How to fix

Upgrade to a fixed version: Linux kernel 4.14.15. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html
• http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html
• https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.15
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=89c6efa61f5709327ecfa24bff18e57a4e80c7fa
• https://support.f5.com/csp/article/K48073202?utm_source=f5support&amp%3Butm_medium=RSS
• http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html
• http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html
• https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.15
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=89c6efa61f5709327ecfa24bff18e57a4e80c7fa
• https://support.f5.com/csp/article/K48073202?utm_source=f5support&amp%3Butm_medium=RSS

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