{"cve":"CVE-2022-40307","nvd":{"published":"2022-09-09T05:15:07.877","modified":"2026-10-14T18:17:05.303","status":"Modified","description":"An issue was discovered in the Linux kernel through 5.19.8. drivers/firmware/efi/capsule-loader.c has a race condition with a resultant use-after-free.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","score":4.7},"cwes":["CWE-362"],"references":["https://github.com/torvalds/linux/commit/9cb636b5f6a8cc6d1b50809ec8f8d33ae0c84c95","https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html","https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html","https://www.debian.org/security/2022/dsa-5257","https://github.com/torvalds/linux/commit/9cb636b5f6a8cc6d1b50809ec8f8d33ae0c84c95"],"products":["debian:debian_linux","linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:35:14.992143698+00:00"},"epss":{"cve":"CVE-2022-40307","score":0.00211,"percentile":0.11191,"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."]}