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CVE-2026-90301: Linux 4.7
CVE-2026-90301 affects azl3 kernel 6.6.150.1-1 on Azure Linux 3.0. CVSS 3.1 base score 8.1 (HIGH, Source advisory). EPSS 0.00454 (percentile 0.37813), scored 14-Oct-2026.
Affected technology
Linux · 34069b886f95356d68bf8315fa648c4ab3193cdd to before 9d44822ba34d6035690f725f9de602744a6e1946, 34069b886f95356d68bf8315fa648c4ab3193cdd to before b5a2907bdeced0949bcddc84b95ba7d4cb93841b, 34069b886f95356d68bf8315fa648c4ab3193cdd to before 011291b70ba4832e136b7b581825b2bc0f525bf6
Linux
Linux · 4.7
Linux
Component: Not specified by the source
File: fs/ocfs2/cluster/heartbeat.c, fs/ocfs2/cluster/tcp.c, fs/ocfs2/cluster/tcp.h
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 8.1/10) 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
- 32.5 /100 (P4)
- CVSS 3.1
- 8.1 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H · Source advisory
- EPSS
- 0.00454 · percentile 0.37813 · 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-2026-90301.html