CVE-2025-68284
Critical
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 ]
SeverityCritical
CVSS9.8
Exploit probability—
Product
Linux
PublishedDec 16, 2025
First seenDec 16, 2025
How to fix
Update
- Linux Linuxf22c55a20a2d9ffbbac57408d5d488cef8201e9d, 8dfcc56af28cffb8f25fb9be37b3acc61f2a3d09, ccbccfba25e9aa395daaea156b5e7790910054c4, 5ef575834ca99f719d7573cdece9df2fe2b72424, 6920ff09bf911bc919cd7a6b7176fbdd1a6e6850, 7fce830ecd0a0256590ee37eb65a39cbad3d64fc or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 ≤ v < f22c55a20a2d9ffbbac57408d5d488cef8201e9d, 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 ≤ v < 8dfcc56af28cffb8f25fb9be37b3acc61f2a3d09, 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 ≤ v < ccbccfba25e9aa395daaea156b5e7790910054c4, 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 ≤ v < 5ef575834ca99f719d7573cdece9df2fe2b72424, 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 ≤ v < 6920ff09bf911bc919cd7a6b7176fbdd1a6e6850, 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 ≤ v < 7fce830ecd0a0256590ee37eb65a39cbad3d64fc, 5.11 | f22c55a20a2d9ffbbac57408d5d488cef8201e9d, 8dfcc56af28cffb8f25fb9be37b3acc61f2a3d09, ccbccfba25e9aa395daaea156b5e7790910054c4, 5ef575834ca99f719d7573cdece9df2fe2b72424, 6920ff09bf911bc919cd7a6b7176fbdd1a6e6850, 7fce830ecd0a0256590ee37eb65a39cbad3d64fc |
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