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CVE-2026-89962: Linux 5.9
CVE-2026-89962 affects azl3 kernel 6.6.152.1-1 on Azure Linux 3.0. CVSS 3.1 base score 7.1 (Microsoft Security Response Center). EPSS 0.00209 (percentile 0.10411), scored 20-Oct-2026.
Affected technology
Linux · 180adfc532a83c1d74146449f7385f767d4b8059 to before ffbdc2a3834a3e47bac7236a71bbc82b45c83832, 180adfc532a83c1d74146449f7385f767d4b8059 to before 9ef63622e6cee588ea4b763a6afc87065254b36a, 180adfc532a83c1d74146449f7385f767d4b8059 to before da88a2a2119e4fd0e8919a7a2448682f574e1545, 180adfc532a83c1d74146449f7385f767d4b8059 to before c4cb547f26d9b73b489c5278d0c8db837c5a174f, 180adfc532a83c1d74146449f7385f767d4b8059 to before fa40f9dbdd4af53e7445d9135b5b207eb8adf372
Linux
Linux · 5.9
Linux
Component: Not specified by the source
Function: incorrectly
File: arch/powerpc/kexec/ranges.c
Attack conditions (Microsoft Security Response Center, CVSS 3.1): Local · Low privileges required · No user interaction required
What an attacker can do
Microsoft Security Response Center’s CVSS 3.1 assessment rates confidentiality impact as none; integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- Product
- azl3 kernel 6.6.152.1-1 on Azure Linux 3.0
- CCR priority
- 28.5 /100 (P4)
- CVSS 3.1
- 7.1 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U · Microsoft Security Response Center
- EPSS
- 0.00209 · percentile 0.10411 · 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-2026-89962.html