P4Verified

CVE-2026-89537: Linux 2.6.35

CVE-2026-89537 affects azl3 kernel 6.6.150.1-1 on Azure Linux 3.0. CVSS 3.1 base score 9.1 (CRITICAL, Source advisory). EPSS 0.00539 (percentile 0.43976), scored 14-Oct-2026.

Affected technology

Linux · de9c17eb4a912c9028f7b470eb80815144883b26 to before 996dd15f60121bdd7896b4554458f8806d608063, de9c17eb4a912c9028f7b470eb80815144883b26 to before 7a946b2e7207f968902f2147ab9b30726f82f7ab, de9c17eb4a912c9028f7b470eb80815144883b26 to before b94f6719dcd9f7a609bc5f459f85795900e77d25
Linux

Linux · 2.6.35
Linux

Component: Not specified by the source
File: net/sunrpc/auth_gss/gss_krb5_unseal.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 9.1/10) rates confidentiality and availability impact as high; integrity 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 6.6.150.1-1 on Azure Linux 3.0
CCR priority: 36.5 /100 (P4)
CVSS 3.1: 9.1 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H · Source advisory
EPSS: 0.00539 · percentile 0.43976 · 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-2026-89537.html