{"cve":"CVE-2018-10840","nvd":{"published":"2018-07-16T20:29:00.377","modified":"2026-06-17T01:34:44.487","status":"Modified","description":"Linux kernel is vulnerable to a heap-based buffer overflow in the fs/ext4/xattr.c:ext4_xattr_set_entry() function. An attacker could exploit this by operating on a mounted crafted ext4 image.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":6.6},"cwes":["CWE-122","CWE-787"],"references":["http://www.securityfocus.com/bid/104858","https://access.redhat.com/errata/RHSA-2019:0162","https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10840","https://usn.ubuntu.com/3752-1/","https://usn.ubuntu.com/3752-2/"],"products":["canonical:ubuntu_linux","linux:linux_kernel","redhat:enterprise_linux"],"source":"nvd","synced_at":"2026-10-19T20:52:03.425131697+00:00"},"epss":{"cve":"CVE-2018-10840","score":0.0067,"percentile":0.52005,"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."]}