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CVE-2026-89476: Linux 4.12
CVE-2026-89476 affects azl3 kernel 6.6.150.1-1 on Azure Linux 3.0. CVSS 3.1 base score 7.5 (HIGH, Source advisory). EPSS 0.00696 (percentile 0.51999), scored 15-Oct-2026.
Affected technology
Linux · 11ae76e67a179f25ae8f772d62a7ddf717b1cdf3 to before 041f7df5a929d3e7435dd8387e8ea17f2d412b7d, 11ae76e67a179f25ae8f772d62a7ddf717b1cdf3 to before 59f61c39cb99ee1737bd742a20094fe5653389bb, 11ae76e67a179f25ae8f772d62a7ddf717b1cdf3 to before 793519e343867ee9a3e84f6cac07f81f2aec7b5d, 11ae76e67a179f25ae8f772d62a7ddf717b1cdf3 to before 092acd3c55a4077b00489064615d8d2d898daf91, 11ae76e67a179f25ae8f772d62a7ddf717b1cdf3 to before 2d867663c563e8009257b9edf9c8ec75d9bbf19a, 11ae76e67a179f25ae8f772d62a7ddf717b1cdf3 to before d02a5794c3deedcb8476d017fcee2b7aaedab2e1, 11ae76e67a179f25ae8f772d62a7ddf717b1cdf3 to before 8320cbd81bc21a1ca6ebdf70ad610ebc5ef1bd68, 11ae76e67a179f25ae8f772d62a7ddf717b1cdf3 to before 3faf13aff243ca9f78d08b1a2956ef5a6fc77b6e
Linux
Linux · 4.12
Linux
Component: Not specified by the source
File: include/net/sctp/structs.h, net/sctp/stream.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 7.5/10) rates confidentiality and integrity impact as none; 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
- 30.2 /100 (P4)
- CVSS 3.1
- 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · Source advisory
- EPSS
- 0.00696 · percentile 0.51999 · 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-2026-89476.html