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CVE-2026-89643: Linux 4.3
CVE-2026-89643 affects azl3 kernel 6.6.152.1-1 on Azure Linux 3.0. CVSS 3.1 base score 9.8 (CRITICAL, Source advisory). EPSS 0.00714 (percentile 0.52682), scored 15-Oct-2026.
Affected technology
Linux · 34d99af52ad40bd498ba66970579a5bc1fb1a3bc to before 9cac21f8eb82675ed19fb955b8bbb9dd14cc3d58, 34d99af52ad40bd498ba66970579a5bc1fb1a3bc to before b322cc7adcd2e6ec1594d187533a126506ab545c, 34d99af52ad40bd498ba66970579a5bc1fb1a3bc to before 695c85dc345a4e0292739f004c261bedef3f27e6, 34d99af52ad40bd498ba66970579a5bc1fb1a3bc to before 01b0ec8c397be65ff710777c97017ca1de56ef8e, 34d99af52ad40bd498ba66970579a5bc1fb1a3bc to before cf37b61b5420fd4600fe78cf8c24da6e4d9bfe28, 34d99af52ad40bd498ba66970579a5bc1fb1a3bc to before 636a99bab36ba27515363d325866c0273ac83b3e, 34d99af52ad40bd498ba66970579a5bc1fb1a3bc to before 583cf579b32d99e3fe4e9c8ecc4d852e3708fbec, 34d99af52ad40bd498ba66970579a5bc1fb1a3bc to before 783f0f0974c156aca630f4ffff248671082a098d
Linux
Linux · 4.3
Linux
Component: Not specified by the source
File: kernel/auditfilter.c
Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
Source advisory’s CVSS 3.1 assessment (base score 9.8/10) 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 6.6.152.1-1 on Azure Linux 3.0
- CCR priority
- 39.4 /100 (P4)
- CVSS 3.1
- 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · Source advisory
- EPSS
- 0.00714 · percentile 0.52682 · 2026-10-15
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-16 09:43:43.583708+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 2026-10-16 20:20:42.059737+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-89643.html