{"id":"CVE-2024-49902","revision":null,"records":[{"revision":"952e7d427ad44320b6b77f8308cedbff","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2024-49902","aliases":[],"title":"jfs: check if leafidx greater than num leaves per dmap tree","description":"In the Linux kernel, the following vulnerability has been resolved:\n\njfs: check if leafidx greater than num leaves per dmap tree\n\nsyzbot report a out of bounds in dbSplit, it because dmt_leafidx greater\nthan num leaves per dmap tree, add a checking for dmt_leafidx in dbFindLeaf.\n\nShaggy:\nModified sanity check to apply to control pages as well as leaf pages.","state":0,"publishedAt":"2024-10-21T18:01:33.936+00:00","modifiedAt":"2026-10-15T00:54:16.093+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/jfs/jfs_dmap.c\"\n ],\n \"versions\": [\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"d76b9a4c283c7535ae7c7c9b14984e75402951e1\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"35b91f15f44ce3c01eba058ccb864bb04743e792\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"2451e5917c56be45d4add786e2a059dd9c2c37c4\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"25d2a3ff02f22e215ce53355619df10cc5faa7ab\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"058aa89b3318be3d66a103ba7c68d717561e1dc6\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"7fff9a9f866e99931cf6fa260288e55d01626582\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"cb0eb10558802764f07de1dc439c4609e27cb4f0\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"4a7bf6a01fb441009a6698179a739957efd88e38\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"d64ff0d2306713ff084d4b09f84ed1a8c75ecc32\",\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/jfs/jfs_dmap.c\"\n ],\n \"versions\": [\n {\n \"version\": \"2.6.12\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"2.6.12\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"4.19.323\",\n \"lessThanOrEqual\": \"4.19.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.4.285\",\n \"lessThanOrEqual\": \"5.4.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.227\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.168\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.113\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.55\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.10.14\",\n \"lessThanOrEqual\": \"6.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.11.3\",\n \"lessThanOrEqual\": \"6.11.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12\",\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:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/d76b9a4c283c7535ae7c7c9b14984e75402951e1","https://git.kernel.org/stable/c/35b91f15f44ce3c01eba058ccb864bb04743e792","https://git.kernel.org/stable/c/2451e5917c56be45d4add786e2a059dd9c2c37c4","https://git.kernel.org/stable/c/25d2a3ff02f22e215ce53355619df10cc5faa7ab","https://git.kernel.org/stable/c/058aa89b3318be3d66a103ba7c68d717561e1dc6","https://git.kernel.org/stable/c/7fff9a9f866e99931cf6fa260288e55d01626582","https://git.kernel.org/stable/c/cb0eb10558802764f07de1dc439c4609e27cb4f0","https://git.kernel.org/stable/c/4a7bf6a01fb441009a6698179a739957efd88e38","https://git.kernel.org/stable/c/d64ff0d2306713ff084d4b09f84ed1a8c75ecc32"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-49902","license":"CVE Program Terms of 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