CVE-2025-68284

CriticalCVSS 9.8/10Last modified Oct 15, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

libceph: prevent potential out-of-bounds writes in handle_auth_session_key()

The len field originates from untrusted network packets. Boundary checks have been added to prevent potential out-of-bounds writes when decrypting the connection secret or processing service tickets.

[ idryomov: changelog ]

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected software

VendorProductVersions
LinuxLinux>= 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2, < f22c55a20a2d9ffbbac57408d5d488cef8201e9d; >= 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2, < 8dfcc56af28cffb8f25fb9be37b3acc61f2a3d09; >= 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2, < ccbccfba25e9aa395daaea156b5e7790910054c4; >= 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2, < 5ef575834ca99f719d7573cdece9df2fe2b72424; >= 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2, < 6920ff09bf911bc919cd7a6b7176fbdd1a6e6850; >= 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2, < 7fce830ecd0a0256590ee37eb65a39cbad3d64fc
LinuxLinux5.11

References

Timeline

Published
Dec 16, 2025
Last modified
Oct 15, 2026
NVD status
Deferred

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CVE-2025-68284: Critical severity, CVSS 9.8 | Vulnix