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CVE-2026-80929: Linux 6.17
CVE-2026-80929. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00161 (percentile 0.04911), scored 17-Oct-2026.
Affected technology
Linux · e054bcbe7e7af2baad3752f1a4916a7fffc0457e to before e8527de7fea191fda704792a56081f9009aeec37, e054bcbe7e7af2baad3752f1a4916a7fffc0457e to before a09bc4eaa67e1a72df3b6d0beb3afeef1e1fdfcd, e054bcbe7e7af2baad3752f1a4916a7fffc0457e to before 7170ca01623b399c97f2ae9d3e228badc1f25ea3
Linux
Linux · 6.17
Linux
Component: Not specified by the source
File: kernel/pid.c, kernel/reboot.c
Attack conditions (Source advisory, CVSS 3.1): Local · Low privileges required · No user interaction required
What an attacker can do
A non-root user can unshare pid/user namespaces and modify it from the child namespace. Source advisory’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high.
- 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
- 0.00161 · percentile 0.04911 · 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-2026-80929.html