01 Record

CVE-2025-68284

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

CriticalPUBLISHEDCNA: Linux

CNA base score9.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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02 Description

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

03 Exploitation and scoring

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.58% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 47.8% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Deferred. NVD last modified this record on 2026-10-15.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published: 2025-12-16 15:06Z10 MO AGO
Last updated: 2026-10-15 22:02Z13 DAYS AGO
Reserved: 2025-12-16
Assigning CNA: Linux
Record state: PUBLISHED
Severity: Critical (CVSS 9.8)
CNA CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses: No CWE assigned
Data version: 5.2
Document digest: 91482e0fd1272e528ca1248bc5bb4af237e30555c5be2cb0c38df7d7c75274ad

05 Affected products

VendorProductVersionsPlatforms

LinuxLinux285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 to < f22c55a20a2d9ffbbac57408d5d488cef8201e9d, 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 to < 8dfcc56af28cffb8f25fb9be37b3acc61f2a3d09, 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 to < ccbccfba25e9aa395daaea156b5e7790910054c4, 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 to < 5ef575834ca99f719d7573cdece9df2fe2b72424, 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 to < 6920ff09bf911bc919cd7a6b7176fbdd1a6e6850, 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 to < 7fce830ecd0a0256590ee37eb65a39cbad3d64fc, 5.11—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/f22c55a20a2d9ffbbac57408d5d488cef8201e9d
git.kernel.orghttps://git.kernel.org/stable/c/8dfcc56af28cffb8f25fb9be37b3acc61f2a3d09
git.kernel.orghttps://git.kernel.org/stable/c/ccbccfba25e9aa395daaea156b5e7790910054c4
git.kernel.orghttps://git.kernel.org/stable/c/5ef575834ca99f719d7573cdece9df2fe2b72424
git.kernel.orghttps://git.kernel.org/stable/c/6920ff09bf911bc919cd7a6b7176fbdd1a6e6850
git.kernel.orghttps://git.kernel.org/stable/c/7fce830ecd0a0256590ee37eb65a39cbad3d64fc

07 Fixed in

Debian 12

linux
Fixed in 6.1.159-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

linux
Fixed in 6.12.63-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

linux
Fixed in 6.17.11-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.