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CVE-2026-97503: Linux 6.5
CVE-2026-97503 affects azl3 kernel 6.6.157.1-1 on Azure Linux 3.0. CVSS 3.1 base score 6.4 (Microsoft Security Response Center). EPSS 0.00145 (percentile 0.0339), scored 20-Oct-2026.
Affected technology
Linux · 721255b9826bd11c7a38b585905fc2dd0fb94e52 to before a8adf64fe7fd5d7c476769a043ee56eda7b775ce, 721255b9826bd11c7a38b585905fc2dd0fb94e52 to before 488bcd7fd3e9a2ad647b71b505a269fdb28753c4, 721255b9826bd11c7a38b585905fc2dd0fb94e52 to before d4b22fbae70037299e96539c330e4a1054b28a91, 721255b9826bd11c7a38b585905fc2dd0fb94e52 to before c2c7983c93f5d86962318be7e7298f1bc3feb1a6
Linux
Linux · 6.5
Linux
Component: Not specified by the source
File: kernel/irq/proc.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, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- Product
- azl3 kernel 6.6.157.1-1 on Azure Linux 3.0
- CCR priority
- 25.6 /100 (P4)
- CVSS 3.1
- 6.4 /10 · CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H · Microsoft Security Response Center
- EPSS
- 0.00145 · percentile 0.0339 · 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-2026-97503.html