Vulnerability in Linux

CVE-2025-68284

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 ]

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (46.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-68284: held from 0.006 to 0.006.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

  • Linux — versions 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2, 5.11, 0

References

Frequently asked questions

What is CVE-2025-68284?
CVE-2025-68284 is a critical-severity vulnerability in Linux. CVSS score: 9.8/10. Published 2025-12-16.
How severe is CVE-2025-68284?
Critical severity. CVSS v3 base score is 9.8 out of 10.