Buffer overflow in Linux Kernel

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.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (34.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-18551?
CVE-2017-18551 is a medium-severity vulnerability in Linux Kernel, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2019-08-19.
How severe is CVE-2017-18551?
Medium severity. CVSS v3 base score is 6.7 out of 10.
Is CVE-2017-18551 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.