Get real-time updates on Telegram
CVE-2026-89645: Linux 5.7
CVE-2026-89645 affects azl3 kernel 6.6.150.1-1 on Azure Linux 3.0. CVSS 3.1 base score 1.9 (Microsoft Security Response Center). EPSS 0.00225 (percentile 0.12337), scored 20-Oct-2026.
Affected technology
Linux · f44deb7442edf42abee6be25fca7e3e86061b4c9 to before 7b8c6af17287899a5d00c70566831feac237d192, f44deb7442edf42abee6be25fca7e3e86061b4c9 to before 2256d6dc5b88841a8a8b4fd9a9f04730705fb6fd, f44deb7442edf42abee6be25fca7e3e86061b4c9 to before 8a64baeb5bbb706b83d2235c1e39f5b77183817f, f44deb7442edf42abee6be25fca7e3e86061b4c9 to before 4d43107e807bcd92621106b07f5011411c6341a8, f44deb7442edf42abee6be25fca7e3e86061b4c9 to before 6d8ba4572922e336f0b59a80751b018e1e135164
Linux
Linux · 5.7
Linux
Component: Not specified by the source
File: fs/btrfs/relocation.c
Attack conditions (Microsoft Security Response Center, CVSS 3.1): Local · High privileges required · No user interaction required
What an attacker can do
Microsoft Security Response Center’s CVSS 3.1 assessment rates confidentiality and integrity impact as none; availability impact as low. 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
- 7.7 /100 (P5)
- CVSS 3.1
- 1.9 /10 · CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L · Microsoft Security Response Center
- EPSS
- 0.00225 · percentile 0.12337 · 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-2026-89645.html