CVE-2017-18551 Memory corruption in n/a

What is CVE-2017-18551?

CVE-2017-18551 is a medium-severity memory corruption vulnerability in Linux kernel, published on 19 Aug 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-787

Which versions are affected by CVE-2017-18551?

It affects 2 products.

Products include Linux kernel, Opensuse Leap.

How do I fix CVE-2017-18551?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2017-18551 being exploited?

There is no known exploitation of CVE-2017-18551 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2017-18551, GHSA-8w7h-gmqf-263p, UBUNTU-CVE-2017-18551.