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CVE-2026-89630: Linux 6.19
CVE-2026-89630. CVSS 3.1 base score 9.1 (CRITICAL, Source advisory). EPSS 0.00539 (percentile 0.43649), scored 10-Oct-2026.
Affected technology
Linux · 83bfbd0bb9025f98fa62b44f93bd67466773d1db to before 5b16a1967a01ad4496a7206a87c3eb16f1df2b05, 83bfbd0bb9025f98fa62b44f93bd67466773d1db to before ba22f575de9deeae4ae0859ca4315a7698226237, 78e718c5aa146063cd70d2cc68297c3ac41f31ee, 6.18.56 to before 6.19
Linux
Linux · 6.19
Linux
Component: Not specified by the source
File: fs/smb/client/smb1misc.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 9.1/10) rates confidentiality and availability impact as high; integrity impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.
- CCR priority
- 36.5 /100 (P4)
- CVSS 3.1
- 9.1 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H · Source advisory
- EPSS
- 0.00539 · percentile 0.43649 · 2026-10-10
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-11 14:33:42.764061+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-89630.html