{"id":"CVE-2026-90419","revision":"4a622f96af2b4148894181d319e7bf69","records":[{"revision":"4a622f96af2b4148894181d319e7bf69","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-90419","aliases":[],"title":"nilfs2: prevent out-of-bounds read in super root block parsing","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnilfs2: prevent out-of-bounds read in super root block parsing\n\nsuper-root inode metadata size is trusted before nilfs_read_inode_common().\n\nReject super-root inode sizes whose computed on-disk footprint exceeds the\nfilesystem block size. This prevents malformed filesystem images from\nmaking nilfs_read_inode_common() read past the end of the super-root block.\n\n[ryusuke: clarify the commit title]","state":0,"publishedAt":"2026-09-17T16:09:43.88+00:00","modifiedAt":"2026-10-19T09:03:23.291+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"fs/nilfs2/the_nilfs.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"8a9d2191e9f43bbcd256a9a6871bd73434c83f2f\",\n                            \"lessThan\": \"16df2520502867a4f34e202b89d01243d59bb8b5\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8a9d2191e9f43bbcd256a9a6871bd73434c83f2f\",\n                            \"lessThan\": \"dcc85fc28f884038735464f6f104dda9c7dbfad6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8a9d2191e9f43bbcd256a9a6871bd73434c83f2f\",\n                            \"lessThan\": \"5b69ebe20d7f944c1f45177dca0c11474ac277cc\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8a9d2191e9f43bbcd256a9a6871bd73434c83f2f\",\n                            \"lessThan\": \"7029e70cf86d5c54c0a2812479b0bee2cabcbaaa\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8a9d2191e9f43bbcd256a9a6871bd73434c83f2f\",\n                            \"lessThan\": \"71bd64471ff583101b4a33dfc838ce29aef57960\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8a9d2191e9f43bbcd256a9a6871bd73434c83f2f\",\n                            \"lessThan\": \"842397fdfd2e61d6470166c796f3125b6c27a162\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8a9d2191e9f43bbcd256a9a6871bd73434c83f2f\",\n                            \"lessThan\": \"15c8559376416a84c3d8402fd8d0c89bb323d05f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8a9d2191e9f43bbcd256a9a6871bd73434c83f2f\",\n                            \"lessThan\": \"7cb2f76a6a2ba2130b577cb8ac13e1e46c4fc689\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"fs/nilfs2/the_nilfs.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"2.6.30\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"2.6.30\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.270\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.221\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.188\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.157\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.110\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.52\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.6\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H","score":7.1,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/16df2520502867a4f34e202b89d01243d59bb8b5","https://git.kernel.org/stable/c/dcc85fc28f884038735464f6f104dda9c7dbfad6","https://git.kernel.org/stable/c/5b69ebe20d7f944c1f45177dca0c11474ac277cc","https://git.kernel.org/stable/c/7029e70cf86d5c54c0a2812479b0bee2cabcbaaa","https://git.kernel.org/stable/c/71bd64471ff583101b4a33dfc838ce29aef57960","https://git.kernel.org/stable/c/842397fdfd2e61d6470166c796f3125b6c27a162","https://git.kernel.org/stable/c/15c8559376416a84c3d8402fd8d0c89bb323d05f","https://git.kernel.org/stable/c/7cb2f76a6a2ba2130b577cb8ac13e1e46c4fc689"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-90419","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-90419","identifiers":["CVE-2026-90419"]},"retained":false,"historicalAffected":[]}],"coverage":[]}