{"id":"CVE-2025-68284","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nlibceph: prevent potential out-of-bounds writes in handle_auth_session_key()\n\nThe len field originates from untrusted network packets","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nlibceph: prevent potential out-of-bounds writes in handle_auth_session_key()\n\nThe len field originates from untrusted network packets. Boundary\nchecks have been added t…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","vendor":"Linux","product":"Linux","affected":["Linux >= 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 < f22c55a20a2d9ffbbac57408d5d488cef8201e9d","Linux >= 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 < 8dfcc56af28cffb8f25fb9be37b3acc61f2a3d09","Linux >= 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 < ccbccfba25e9aa395daaea156b5e7790910054c4","Linux >= 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 < 5ef575834ca99f719d7573cdece9df2fe2b72424","Linux >= 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 < 6920ff09bf911bc919cd7a6b7176fbdd1a6e6850","Linux >= 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 < 7fce830ecd0a0256590ee37eb65a39cbad3d64fc","Linux 5.11"],"published":"2025-12-16","updated":"2026-10-15","sourceUpdated":"2026-10-15T22:19:11.593","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-68284","references":[{"url":"https://git.kernel.org/stable/c/5ef575834ca99f719d7573cdece9df2fe2b72424","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6920ff09bf911bc919cd7a6b7176fbdd1a6e6850","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7fce830ecd0a0256590ee37eb65a39cbad3d64fc","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8dfcc56af28cffb8f25fb9be37b3acc61f2a3d09","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ccbccfba25e9aa395daaea156b5e7790910054c4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f22c55a20a2d9ffbbac57408d5d488cef8201e9d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"epss":0.00588,"epssPercentile":0.47925,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-10-15T22:00:46.509216Z"},"ingestedAt":"2026-10-13T19:43:28.849Z","slug":"CVE-2025-68284","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nlibceph: prevent potential out-of-bounds writes in handle_auth_session_key()\n\nThe len field originates from untrusted network packets. Boundary\nchecks have been added to prevent potential out-of-bounds writes when\ndecrypting the connection secret or processing service tickets.\n\n[ idryomov: changelog ]\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}