{"cve":"CVE-2023-52448","nvd":{"published":"2024-02-22T17:15:08.630","modified":"2026-06-17T06:42:43.313","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ngfs2: Fix kernel NULL pointer dereference in gfs2_rgrp_dump\n\nSyzkaller has reported a NULL pointer dereference when accessing\nrgd->rd_rgl in gfs2_rgrp_dump().  This can happen when creating\nrgd->rd_gl fails in read_rindex_entry().  Add a NULL pointer check in\ngfs2_rgrp_dump() to prevent that.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-476"],"references":["https://git.kernel.org/stable/c/067a7c48c2c70f05f9460d6f0e8423e234729f05","https://git.kernel.org/stable/c/5c28478af371a1c3fdb570ca67f110e1ae60fc37","https://git.kernel.org/stable/c/8877243beafa7c6bfc42022cbfdf9e39b25bd4fa","https://git.kernel.org/stable/c/c323efd620c741168c8e0cc6fc0be04ab57e331a","https://git.kernel.org/stable/c/d69d7804cf9e2ba171a27e5f98bc266f13d0414a"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:45:59.823092188+00:00"},"epss":{"cve":"CVE-2023-52448","score":0.00244,"percentile":0.15688,"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."]}