{"id":"CVE-2025-68283","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nlibceph: replace BUG_ON with bounds check for map->max_osd\n\nOSD indexes come from untrusted network packets","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nlibceph: replace BUG_ON with bounds check for map->max_osd\n\nOSD indexes come from untrusted network packets. Boundary checks are\nadded to validate these against map->ma…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","published":"2025-12-16","updated":"2026-10-13","sourceUpdated":"2026-10-13T19:10:00.193","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-68283","references":[{"url":"https://git.kernel.org/stable/c/57f5fbae9f1024aba17ff75e00433324115c548a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b4368b7f97014e1015445d61abd0b27c4c6e8424","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/becc488a4d864db338ebd4e313aa3c77da24b604","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e67e3be690f5f7e3b031cf29e8d91e6d02a8e30d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ec3797f043756a94ea2d0f106022e14ac4946c02","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd"],"epss":0.00528,"epssPercentile":0.43121,"ingestedAt":"2026-10-13T19:43:28.848Z","slug":"CVE-2025-68283","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nlibceph: replace BUG_ON with bounds check for map->max_osd\n\nOSD indexes come from untrusted network packets. Boundary checks are\nadded to validate these against map->max_osd.\n\n[ idryomov: drop BUG_ON in ceph_get_primary_affinity(), minor cosmetic\n  edits ]\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}