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CVE-2026-90383: Linux 2.6.27
CVE-2026-90383 affects azl3 kernel 6.6.150.1-1 on Azure Linux 3.0. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00163 (percentile 0.05165), scored 17-Oct-2026.
Affected technology
Linux · 142586409c8be7dc071bb94d7cd2d69ccfd99b6b to before 877423f595b60f8fe7c18b64a5d283d9e1732a13, 142586409c8be7dc071bb94d7cd2d69ccfd99b6b to before 6248eb1833ff0adfdbbadd5f846c2f22e02a01b0, 142586409c8be7dc071bb94d7cd2d69ccfd99b6b to before ef81e4a1628ecfb9cfc442de10883f383faf17a1, 142586409c8be7dc071bb94d7cd2d69ccfd99b6b to before 928a8e9f523df845fc496bcb9811013b67aabec5
Linux
Linux · 2.6.27
Linux
Component: Not specified by the source
File: drivers/misc/sgi-gru/grufault.c, drivers/misc/sgi-gru/gruprocfs.c, drivers/misc/sgi-gru/grutables.h
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.
- Product
- azl3 kernel 6.6.150.1-1 on Azure Linux 3.0
- 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
- 0.00163 · percentile 0.05165 · 2026-10-17
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-18 12:55:59.341568+00:00 UTC
- Microsoft MSRC Security Update Guide (CVRF) · Source record · observed 2026-10-04 07:08:49.022374+00:00 UTC
- 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-2026-90383.html