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CVE-2026-89649: Linux 2.6.34
CVE-2026-89649 affects azl3 kernel 6.6.150.1-1 on Azure Linux 3.0. CVSS 3.1 base score 9.1 (CRITICAL, Source advisory). EPSS 0.00678 (percentile 0.51309), scored 15-Oct-2026.
Affected technology
Linux · 355da1eb7a1f91c276b991764e951bbcd8047599 to before 848b80ca6b410f350d08b8ac19a00ef88223f2ea, 355da1eb7a1f91c276b991764e951bbcd8047599 to before 01e3f19c301d492e12f16b3b463ac14d7cf3ebe7, 355da1eb7a1f91c276b991764e951bbcd8047599 to before cb0cd79ae80476d1bc06bd9678484b6736f19588, 355da1eb7a1f91c276b991764e951bbcd8047599 to before 61f085cb8976c9cebc90e1a8933e4cc1ad8b0fce, 355da1eb7a1f91c276b991764e951bbcd8047599 to before 38be2f3c41ecaba58bb92dc16603e09ba9fd64f1, 355da1eb7a1f91c276b991764e951bbcd8047599 to before 1dd356310b1660215f9a3626580bf8b363ef981e, 355da1eb7a1f91c276b991764e951bbcd8047599 to before b12b3320c81fd72ab36388fb2445fec9c3038f10, 355da1eb7a1f91c276b991764e951bbcd8047599 to before 68d541754d6cd3bb98d1fd8314f57e5eb533557d
Linux
Linux · 2.6.34
Linux
Component: Not specified by the source
File: fs/ceph/xattr.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.
- Product
- azl3 kernel 6.6.150.1-1 on Azure Linux 3.0
- CCR priority
- 36.6 /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
- 0.00678 · percentile 0.51309 · 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-2026-89649.html