{"cve":"CVE-2025-68820","nvd":{"published":"2026-01-13T16:16:04.327","modified":"2026-10-19T19:17:07.390","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: xattr: fix null pointer deref in ext4_raw_inode()\n\nIf ext4_get_inode_loc() fails (e.g. if it returns -EFSCORRUPTED),\niloc.bh will remain set to NULL. Since ext4_xattr_inode_dec_ref_all()\nlacks error checking, this will lead to a null pointer dereference\nin ext4_raw_inode(), called right after ext4_get_inode_loc().\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-476"],"references":["https://git.kernel.org/stable/c/190ad0f22ba49f1101182b80e3af50ca2ddfe72f","https://git.kernel.org/stable/c/3d8d22e75f7edfa0b30ff27330fd6a1285d594c3","https://git.kernel.org/stable/c/5b154e901fda2e98570b8f426a481f5740097dc2","https://git.kernel.org/stable/c/b5d942922182e82724b7152cb998f540132885ec","https://git.kernel.org/stable/c/b72a3476f0c97d02f63a6e9fff127348d55436f6"],"products":[],"source":"nvd","synced_at":"2026-10-21T03:43:09.190223697+00:00"},"epss":{"cve":"CVE-2025-68820","score":0.00235,"percentile":0.14237,"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."]}