P4Verified

CVE-2026-23319: linux kernel 6.0; +5 more affected products

CVE-2026-23319 affects azl3 kernel 6.6.126.1-1 on Azure Linux 3.0. CVSS 3.1 base score 7.8 (HIGH, NVD). EPSS 0.00126 (percentile 0.02026), scored 14-Oct-2026.

Affected technology

linux kernel · from 6.0.1 (inclusive), before 6.1.167 (exclusive)
linux

linux kernel · from 6.2 (inclusive), before 6.6.130 (exclusive)
linux

linux kernel · from 6.7 (inclusive), before 6.12.77 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.18.17 (exclusive)
linux

linux kernel · from 6.19 (inclusive), before 6.19.7 (exclusive)
linux

linux kernel · 6.0
linux

linux kernel · 7.0 · update rc1
linux

linux kernel · 7.0 · update rc2
linux

linux kernel · 7.0 · update rc3
linux

linux kernel · 7.0 · update rc4
linux

linux kernel · 7.0 · update rc5
linux

linux kernel · 7.0 · update rc6
linux

linux kernel · 7.0 · update rc7
linux

Linux · 69fd337a975c7e690dfe49d9cb4fe5ba1e6db44e to before 529e685e522b9d7fb379dbe6929dcdf520e34c8c, 69fd337a975c7e690dfe49d9cb4fe5ba1e6db44e to before 9b02c5c4147f8af8ed783c8deb5df927a55c3951, 69fd337a975c7e690dfe49d9cb4fe5ba1e6db44e to before cfcfa0ca0212162aa472551266038e8fd6768cff, 69fd337a975c7e690dfe49d9cb4fe5ba1e6db44e to before 3eeddb80191f7626ec1ef742bfff51ec3b0fa5c2, 69fd337a975c7e690dfe49d9cb4fe5ba1e6db44e to before 4e8a0005d633a4adc98e3b65d5080f93b90d356b, 69fd337a975c7e690dfe49d9cb4fe5ba1e6db44e to before 56145d237385ca0e7ca9ff7b226aaf2eb8ef368b
Linux

Linux · 6.0
Linux

SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · V3.1.6 to before *
Siemens

SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · V3.1.5 to before *
Siemens

SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · V3.1.7 to before *
Siemens

SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · V3.1.6 to before *
Siemens

SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · V3.1.5 to before *
Siemens

SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · V3.1.7 to before *
Siemens

SIMATIC S7-1500 TM MFP - GNU/Linux subsystem · 0 to before *
Siemens

SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · V3.1.6 to before *
Siemens

SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · V3.1.5 to before *
Siemens

SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · V3.1.7 to before *
Siemens

Component: Not specified by the source
File: kernel/bpf/trampoline.c

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

What an attacker can do

A local attacker with low privileges could trigger a use-after-free error. NVD’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high. The description does not state a further attacker outcome.

Published 15-Oct-2026 09:20 UTC

CWE: CWE-416
Product: azl3 kernel 6.6.126.1-1 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 · NVD
EPSS: 0.00126 · percentile 0.02026 · 2026-10-14
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-15 09:24:28.011626+00:00 UTC
GitHub Advisory Database · Source record · observed 2026-10-15 10:43:56.988652+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 2026-10-15 09:18:22.406219+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-23319.html