{"cve":"CVE-2026-49424","nvd":{"published":"2026-08-19T08:17:12.060","modified":"2026-10-27T12:10:00.343","status":"Analyzed","description":"The Linux waitid() implementation translates a FreeBSD siginfo_t struct into a stack-declared Linux siginfo_t.  It did not first zero the stack struct.\n\nAn unprivileged user may observe 104 bytes of uninitialized kernel stack data, which may contain sensitive information.","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:N/A:N","score":5.5},"cwes":["CWE-908"],"references":["https://security.freebsd.org/advisories/FreeBSD-SA-26:47.linux.asc"],"products":["freebsd:freebsd"],"source":"nvd","synced_at":"2026-10-27T12:32:11.206327715+00:00"},"epss":{"cve":"CVE-2026-49424","score":0.00151,"percentile":0.04209,"date":"2026-10-26"},"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."]}