{"cve":"CVE-2026-63838","nvd":{"published":"2026-07-19T15:16:50.583","modified":"2026-07-27T17:44:23.777","status":"Awaiting Analysis","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: rsnd: Fix potential out-of-bounds access of component_dais[]\n\ncomponent_dais[RSND_MAX_COMPONENT] is initially zero-initialized\nand later populated in rsnd_dai_of_node(). However, the existing boundary check:\n  if (i >= RSND_MAX_COMPONENT)\n\ndoes not guarantee that the last valid element remains zero. As a result,\nthe loop can rely on component_dais[RSND_MAX_COMPONENT] being zero,\nwhich may lead to an out-of-bounds access.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/134c61925e9e9ee0f4fdbab5c3984d5bb024f5f5","https://git.kernel.org/stable/c/15e7b2ac2455995a6af02b9d3da7a432837aaf72","https://git.kernel.org/stable/c/9f1daac27ca28e98c8c0e4450de42bb68d547250","https://git.kernel.org/stable/c/a62b3e6e42359a79158c134e3cf5c74fe160c3f5","https://git.kernel.org/stable/c/f9e437cddf6cf9e603bdaefe148c1f4792aaf39c"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:45:36.895656543+00:00"},"epss":{"cve":"CVE-2026-63838","score":0.00185,"percentile":0.08092,"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."]}