CVE-2026-80977: Linux 3.8

CVE-2026-80977 affects azl3 kernel 6.6.150.1-1 on Azure Linux 3.0. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00129 (percentile 0.02266), scored 15-Oct-2026.

Affected technology

Linux · 25121173f7b1e4ac3fc692df6e7b8c52ec36abba to before 6493165034bca14033bf49c9cec7b45e97a91497, 25121173f7b1e4ac3fc692df6e7b8c52ec36abba to before b4452349dcf4d561e13be768d5d278de58248930, 25121173f7b1e4ac3fc692df6e7b8c52ec36abba to before 363c4252ffc473a0203e91b83ede5519dfb8bd07, 25121173f7b1e4ac3fc692df6e7b8c52ec36abba to before 6ec22afc82a3cae07ade0a6ec361ae2532128ff5, 25121173f7b1e4ac3fc692df6e7b8c52ec36abba to before 15aa81b390d401abf4b8211042470e9e92e3b7fb, 25121173f7b1e4ac3fc692df6e7b8c52ec36abba to before 288f9970670841044ab030104fa6b6ed159949d0, 25121173f7b1e4ac3fc692df6e7b8c52ec36abba to before 0370da114a9bc044e248b85c6809d1b5e0c1f7f9, 25121173f7b1e4ac3fc692df6e7b8c52ec36abba to before f66bdb1cc0fcd227a062378f8be0b5873aa5600a
Linux

Linux · 3.8
Linux

Component: Not specified by the source
File: net/core/skbuff.c

Attack conditions (Source advisory, CVSS 3.1): Local · Low privileges required · No user interaction required

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 16-Oct-2026 20:21 UTC

Product: azl3 kernel 6.6.150.1-1 on Azure Linux 3.0
CCR priority: 31.2 /100 (P4)
CVSS 3.1: 7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · Source advisory
EPSS: 0.00129 · percentile 0.02266 · 2026-10-15
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-16 09:43:43.583708+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 2026-10-16 20:20:42.059737+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-80977.html