P4Verified

CVE-2026-90347: Linux 4.8

CVE-2026-90347 affects azl3 kernel 6.6.152.1-1 on Azure Linux 3.0. CVSS 3.1 base score 8.4 (HIGH, Source advisory). EPSS 0.00163 (percentile 0.05107), scored 14-Oct-2026.

Affected technology

Linux · a5cd110cb8369d6b37ef5ccfe56b3fa1338c9615 to before e9e2854fcff5733ffc607e8ecc87e0e591ab41fd, a5cd110cb8369d6b37ef5ccfe56b3fa1338c9615 to before f433869f23841a50455c4087d85540d5b4d37cde, a5cd110cb8369d6b37ef5ccfe56b3fa1338c9615 to before 88b839ce497ccb1ff92f7ae742c78dd2937ba572
Linux

Linux · 4.8
Linux

Component: Not specified by the source
File: arch/arm64/kernel/ptrace.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 8.4/10) rates confidentiality and integrity impact as high; availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 15-Oct-2026 11:57 UTC

Product: azl3 kernel 6.6.152.1-1 on Azure Linux 3.0
CCR priority: 33.6 /100 (P4)
CVSS 3.1: 8.4 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N · Source advisory
EPSS: 0.00163 · percentile 0.05107 · 2026-10-14
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-15 09:24:28.011626+00:00 UTC
GitHub Advisory Database · Source record · observed 2026-10-15 12:39:55.759815+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 2026-10-15 11:57:11.427822+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-90347.html