{"cve":"CVE-2023-53861","nvd":{"published":"2025-12-09T16:17:26.857","modified":"2026-06-17T06:46:12.180","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: correct grp validation in ext4_mb_good_group\n\nGroup corruption check will access memory of grp and will trigger kernel\ncrash if grp is NULL. So do NULL check before corruption check.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/245759d987b617d183061db6ab8886ebb5cc78e9","https://git.kernel.org/stable/c/3e24082f16825279054a2b8a5e668d65070bbf07","https://git.kernel.org/stable/c/772ca4bc1d0d21320ef2ecc0f9e4f90ea85a035d","https://git.kernel.org/stable/c/83a9d5f5ec7e75640b1ba0bbd77a4888df798bb4","https://git.kernel.org/stable/c/a9ce5993a0f5c0887c8a1b4ffa3b8046fbcfdc93"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:16:40.427100871+00:00"},"epss":{"cve":"CVE-2023-53861","score":0.00228,"percentile":0.13569,"date":"2026-11-01"},"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."]}