{"cve":"CVE-2026-31627","nvd":{"published":"2026-04-24T15:16:42.003","modified":"2026-06-17T10:34:07.193","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: s3c24xx: check the size of the SMBUS message before using it\n\nThe first byte of an i2c SMBUS message is the size, and it should be\nverified to ensure that it is in the range of 0..I2C_SMBUS_BLOCK_MAX\nbefore processing it.\n\nThis is the same logic that was added in commit a6e04f05ce0b (\"i2c:\ntegra: check msg length in SMBUS block read\") to the i2c tegra driver.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":[],"references":["https://git.kernel.org/stable/c/2d262da4bca6fab96e2e709feb95b31b0a9a03a7","https://git.kernel.org/stable/c/377fae22a137b6b89f3f32399a58c52cf2325416","https://git.kernel.org/stable/c/71b3c316b22c555d2769126a92b1244b15a9750d","https://git.kernel.org/stable/c/8f756a5964396da0fc9e0db33253a5b85dbbcbb6","https://git.kernel.org/stable/c/aaaaec39ddbcd06770dca7f1adebc3b1242ebe7b"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:33:09.003606135+00:00"},"epss":{"cve":"CVE-2026-31627","score":0.00131,"percentile":0.02712,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}