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CVE-2026-89655: Linux 4.8
CVE-2026-89655. CVSS 3.1 base score 9.8 (CRITICAL, Source advisory). EPSS 0.00714 (percentile 0.52684), scored 15-Oct-2026.
Affected technology
Linux · e4500b5e35c213e0f97be7cb69328c0877203a79 to before 091137821e1fc88f37e15201abf055c9494ddc61, e4500b5e35c213e0f97be7cb69328c0877203a79 to before 01542430081014d80fc9e70e92d6647432ddb7fc, e4500b5e35c213e0f97be7cb69328c0877203a79 to before 23eb34a53a53cb1a6dab1eeee830633207ac158d, e4500b5e35c213e0f97be7cb69328c0877203a79 to before 19f16f04c2b014a7dd214dc1e42557d8530b16f3, e4500b5e35c213e0f97be7cb69328c0877203a79 to before 2701431aa3cc8b23efe6890182e7b04f5e76fab5, e4500b5e35c213e0f97be7cb69328c0877203a79 to before fe46746087b5b9c5bb2d022df6c7819218494ced, e4500b5e35c213e0f97be7cb69328c0877203a79 to before 2dba24dcd5050be4b7b119e6f0b01f62203b5d26, e4500b5e35c213e0f97be7cb69328c0877203a79 to before 7af4c4f01305b0935adf6d4301b1ec407025485d
Linux
Linux · 4.8
Linux
Component: Not specified by the source
File: fs/ceph/caps.c
Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
Source advisory’s CVSS 3.1 assessment (base score 9.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CCR priority
- 39.4 /100 (P4)
- CVSS 3.1
- 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · Source advisory
- EPSS
- 0.00714 · percentile 0.52684 · 2026-10-15
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-16 20:20:42.059737+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-89655.html