CVE-2026-89990: Linux 6.10

CVE-2026-89990. CVSS 3.1 base score 9.8 (CRITICAL, Source advisory). EPSS 0.00608 (percentile 0.48036), scored 17-Oct-2026.

Affected technology

Linux · 596afb0b8933ba6ed7227adcc538db26feb25c74 to before 729c1ff670ece6f3d4b1738365a0b2f90d487523, 596afb0b8933ba6ed7227adcc538db26feb25c74 to before ca5bfea2045ef2eb3305cf2a9d8da549b76c37d3, 596afb0b8933ba6ed7227adcc538db26feb25c74 to before df1a97d5313fccadb08390306d49b194fb027392, 596afb0b8933ba6ed7227adcc538db26feb25c74 to before a61c6ae1dae2611082b831b4aaa780878099c012
Linux

Linux · 6.10
Linux

Component: Not specified by the source
File: fs/ceph/mds_client.c, fs/ceph/mds_client.h

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.

Published 19-Oct-2026 10:36 UTC

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: 0.00608 · percentile 0.48036 · 2026-10-17
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-19 10:33:46.008150+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-89990.html