{"cve":"CVE-2026-89817","nvd":{"published":"2026-09-16T11:16:46.990","modified":"2026-10-19T09:18:25.563","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/gud: NUL-terminate TV mode names read from the device\n\ngud_connector_add_tv_mode() reads a buffer of fixed-size mode names from\nthe USB device and passes pointers into it to\ndrm_mode_create_tv_properties_legacy(), which calls strlen() on each one.\nNothing guarantees the device NUL-terminates a name, so strlen() can run\npast the end of a slot and, for the last mode, past the end of the\nallocation.\n\nTerminate each name at the end of its slot before use.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/08c8ec28547987e55a90c662f8795e05c2925498","https://git.kernel.org/stable/c/500cb24cd61bad8a2747ddfc49b7034899c82d94","https://git.kernel.org/stable/c/6ea61f1d4cbaa0db937e31bffc041fb8afeacf52","https://git.kernel.org/stable/c/89210cb5ff8fdbe055c97ac688be2268f6c815ae","https://git.kernel.org/stable/c/9096edfd6f2edbc79612b482547e0972edbcfe4b"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:54:41.405518556+00:00"},"epss":{"cve":"CVE-2026-89817","score":0.00211,"percentile":0.11301,"date":"2026-10-25"},"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."]}