9.8

CVE-2025-68284: linux

CVSS: 9.8v3.1CriticalDeferred
AliasesUBUNTU-CVE-2025-68284DEBIAN-CVE-2025-68284
Published 16-12-2025Last modified 15-10-2026
Open JSON

Vulnerability summary

CVE-2025-68284 is a critical (CVSS 9.8) vulnerability in linux. EPSS estimates a 0.59% chance of exploitation in the next 30 days, higher than 47.1% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.59%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 105 · Related 102
DLA-4436-1MGASA-2026-0017MGASA-2026-0018OPENSUSE-SU-2026:20145-1SUSE-SU-2026:0411-1SUSE-SU-2026:0447-1

Showing 100 of 105. Use Open JSON for the complete list.

Timeline

  1. 16-12-2025
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

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 ]

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.59%

Chance of exploitation in the next 30 days

Percentile

47%

Versus all other CVEs

30-day change

0.00 pp

From 0.59% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.59%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu144 products
  • linux< 5.15.0-173.183 | < 6.8.0-106.106 | < 6.17.0-19.19
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.15.0-1103.110 | < 6.8.0-1050.53 | < 6.17.0-1009.9
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.1.159-1 | < 6.12.63-1 | < 6.17.11-1
Linux1 product
  • linux≥ 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2, < f22c55a20a2d9ffbbac57408d5d488cef8201e9d | ≥ 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2, < 8dfcc56af28cffb8f25fb9be37b3acc61f2a3d09 | ≥ 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2, < ccbccfba25e9aa395daaea156b5e7790910054c4 | ≥ 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2, < 5ef575834ca99f719d7573cdece9df2fe2b72424 | ≥ 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2, < 6920ff09bf911bc919cd7a6b7176fbdd1a6e6850 | ≥ 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2, < 7fce830ecd0a0256590ee37eb65a39cbad3d64fc | 5.11

3 vendors · 146 products

References

37 links
Show all 37 references