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CVE-2026-80920: Linux 6.1
CVE-2026-80920 affects azl3 kernel 6.6.150.1-1 on Azure Linux 3.0. CVSS 3.1 base score 3.3 (Microsoft Security Response Center). EPSS 0.00156 (percentile 0.04272), scored 13-Oct-2026.
Affected technology
Linux · 21a091b970cdbcf3e8ff829234b51be6f9192766 to before e22f4494cc9487d326e5e3067f33dea7c1e442b2, 21a091b970cdbcf3e8ff829234b51be6f9192766 to before b6bb334b0e9348887e3e55e1f494b0c3b8fbf59f, 21a091b970cdbcf3e8ff829234b51be6f9192766 to before 40b6ccf68731809ceb85c6e9f0f8f2ed61c7aa5a, 21a091b970cdbcf3e8ff829234b51be6f9192766 to before cd305ee3633a45fcf5f3a5d83f99f3cb77d87b6e
Linux
Linux · 6.1
Linux
Component: Not specified by the source
File: include/linux/io_uring_types.h, io_uring/eventfd.c, io_uring/eventfd.h, io_uring/futex.c, io_uring/io_uring.c, io_uring/poll.c, io_uring/tw.c, io_uring/waitid.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 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
- 13.2 /100 (P5)
- CVSS 3.1
- 3.3 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L · Microsoft Security Response Center
- EPSS
- 0.00156 · percentile 0.04346 · 2026-10-17
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-18 12:55:59.341568+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 2026-10-19 10:33:46.008150+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-80920.html