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CVE-2026-89771: Linux 6.8
CVE-2026-89771. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.0012 (percentile 0.01676), scored 17-Oct-2026.
Affected technology
Linux · f9b94daa542a8d2532f0930f01cd9aec2d19621b to before 6d666f0b8b36c0765cf19fbe6de5a7ba5a73aad9, f9b94daa542a8d2532f0930f01cd9aec2d19621b to before 50f4a793c4ff24826efb0ac700989a5063cc53df, f9b94daa542a8d2532f0930f01cd9aec2d19621b to before 0c7c517827a453128a8f58bfd849546a29813b27, f9b94daa542a8d2532f0930f01cd9aec2d19621b to before 8a5f63637890f03177146efddaba5ec7a1b4d61f
Linux
Linux · 6.8
Linux
Component: Not specified by the source
File: kernel/trace/ring_buffer.c
Attack conditions (Source advisory, CVSS 3.1): Local · Low privileges required · No user interaction required
What an attacker can do
Source advisory’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CCR priority
- 31.2 /100 (P4)
- CVSS 3.1
- 7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · Source advisory
- EPSS
- 0.0012 · percentile 0.01676 · 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-2026-89771.html