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CVE-2026-89647: Linux 5.1
CVE-2026-89647 affects azl3 kernel 6.6.157.1-1 on Azure Linux 3.0. CVSS 3.1 base score 7.5 (HIGH, Source advisory). EPSS 0.00622 (percentile 0.48866), scored 20-Oct-2026.
Affected technology
Linux · 37c4efc1ddf98ba8b234d116d863a9464445901e to before dd2e9824e5e7dba406005ff779a107f773175a76, 37c4efc1ddf98ba8b234d116d863a9464445901e to before 5a541eb401acb89d791da41189d7a79220164b93, 37c4efc1ddf98ba8b234d116d863a9464445901e to before 37d6edb2f03b29399a3a337fae78674de51e1695, 37c4efc1ddf98ba8b234d116d863a9464445901e to before 3d122b2feb1dd76bb5041bdea5e1e1b007d8d415, 37c4efc1ddf98ba8b234d116d863a9464445901e to before e7d7aa7b730178278109c41fa1b17b06873065d5
Linux
Linux · 5.1
Linux
Component: Not specified by the source
File: fs/ceph/dir.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 6.6.157.1-1 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
- 0.00622 · percentile 0.48866 · 2026-10-20
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-20 16:56:29.772392+00:00 UTC
- GitHub Advisory Database · Source record · observed 2026-10-21 16:14:50.830645+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 2026-10-21 16:09:05.633125+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-89647.html