{ "schema_version": "1.4.0", "id": "GHSA-m6f7-q6m8-788v", "modified": "2022-05-14T02:03:05Z", "published": "2022-05-14T02:03:05Z", "aliases": [ "CVE-2018-1095" ], "details": "The ext4_xattr_check_entries function in fs/ext4/xattr.c in the Linux kernel through 4.15.15 does not properly validate xattr sizes, which causes misinterpretation of a size as an error code, and consequently allows attackers to cause a denial of service (get_acl NULL pointer dereference and system crash) via a crafted ext4 image.", "severity": [ { "type": "CVSS_V3", "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H" } ], "affected": [], "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-1095" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2018:2948" }, { "type": "WEB", "url": "https://access.redhat.com/security/cve/CVE-2018-1095" }, { "type": "WEB", "url": "https://bugzilla.kernel.org/show_bug.cgi?id=199185" }, { "type": "WEB", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1560793" }, { "type": "WEB", "url": "https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=ce3fd194fcc6fbdc00ce095a852f22df97baa401" }, { "type": "WEB", "url": "https://usn.ubuntu.com/3695-1" }, { "type": "WEB", "url": "https://usn.ubuntu.com/3695-2" }, { "type": "WEB", "url": "http://openwall.com/lists/oss-security/2018/03/29/1" } ], "database_specific": { "cwe_ids": [ "CWE-476" ], "severity": "HIGH", "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2018-04-02T03:29:00Z" } }