{"id":"CVE-2024-49902","title":"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…","summary":"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…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","vendor":"linux","product":"linux_kernel","affected":["linux_kernel < 5.10.227","linux_kernel >= 5.11, < 5.15.168","linux_kernel >= 5.16, < 6.1.113","linux_kernel >= 6.2, < 6.6.55","linux_kernel >= 6.7, < 6.10.14","linux_kernel >= 6.11, < 6.11.3"],"patched":["linux_kernel 6.11.3"],"published":"2024-10-21","updated":"2026-10-15","sourceUpdated":"2026-10-15T01:19:00.710","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-49902","references":[{"url":"https://git.kernel.org/stable/c/058aa89b3318be3d66a103ba7c68d717561e1dc6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2451e5917c56be45d4add786e2a059dd9c2c37c4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/25d2a3ff02f22e215ce53355619df10cc5faa7ab","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/35b91f15f44ce3c01eba058ccb864bb04743e792","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4a7bf6a01fb441009a6698179a739957efd88e38","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7fff9a9f866e99931cf6fa260288e55d01626582","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/cb0eb10558802764f07de1dc439c4609e27cb4f0","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d64ff0d2306713ff084d4b09f84ed1a8c75ecc32","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d76b9a4c283c7535ae7c7c9b14984e75402951e1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-355557.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.00287,"epssPercentile":0.21145,"ingestedAt":"2026-10-15T03:30:12.753Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2024-10-22T13:42:45.718739Z"},"slug":"CVE-2024-49902","body":"## Overview\n\nIn 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.\n\n## Affected\n\n- `linux_kernel < 5.10.227`\n- `linux_kernel >= 5.11, < 5.15.168`\n- `linux_kernel >= 5.16, < 6.1.113`\n- `linux_kernel >= 6.2, < 6.6.55`\n- `linux_kernel >= 6.7, < 6.10.14`\n- `linux_kernel >= 6.11, < 6.11.3`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.11.3`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}