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CVE-2026-90387: Linux 6.6
CVE-2026-90387 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 0.05185), scored 17-Oct-2026.
Affected technology
Linux · 79636caad3618e2b38457f6e298c9b31ba82b489 to before 68bf3ebd8e7020dae58e8aa14c7d482738bff9a8, 79636caad3618e2b38457f6e298c9b31ba82b489 to before 45507dcb0847e96add4455274b12df0eca6590b4, 79636caad3618e2b38457f6e298c9b31ba82b489 to before 35e0103177826430b5df888b1506239d41e76ab5, 79636caad3618e2b38457f6e298c9b31ba82b489 to before c1f4d7763cdf1b9e0d35c14aa6f52d0512a36319, 79636caad3618e2b38457f6e298c9b31ba82b489 to before 57d29044d0f29a76c6ec0c112c8c7371d5608dc7
Linux
Linux · 6.6
Linux
Component: Not specified by the source
File: kernel/dma/swiotlb.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.
- 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 0.05185 · 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-2026-90387.html