{"cve":"CVE-2026-72238","nvd":{"published":"2026-08-15T06:21:50.850","modified":"2026-08-17T06:18:25.360","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nx86/boot: Validate console=uart8250 baud rate to fix early boot hang\n\nWhen the baud rate is empty, 0, invalid, or overflows to 0 when stored\nas an int, the system will hang during early boot because of a division\nby zero in early_serial_init().\n\nFall back to DEFAULT_BAUD when the resulting baud rate is 0 to prevent\nan early system hang.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/24fbed0a2a45f5f379ef2b53bd2abe58be1142ad","https://git.kernel.org/stable/c/4dad7e870c7e5178f71b5e1e4f67934b9e8cc207","https://git.kernel.org/stable/c/9a77a7639dfdc3eca417cd37620ce64da79c80c4","https://git.kernel.org/stable/c/b4d05032e9af7137eab8f3af2855073f896ca843","https://git.kernel.org/stable/c/c1a276a731d02cbb728d0530f327a68728f2d8b0"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:48:17.459049833+00:00"},"epss":{"cve":"CVE-2026-72238","score":0.0022,"percentile":0.12514,"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."]}