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CVE-2026-23357: linux kernel 2.6.34; +2 more affected products

CVE-2026-23357 affects azl3 kernel 6.6.126.1-1 on Azure Linux 3.0. CVSS 3.1 base score 5.5 (MEDIUM, NVD). EPSS 0.00099 (percentile 0.00765), scored 14-Oct-2026.

Affected technology

linux kernel · from 2.6.34.1 (inclusive), before 5.10.253 (exclusive)
linux

linux kernel · from 5.11 (inclusive), before 5.15.203 (exclusive)
linux

linux kernel · from 5.16 (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 · 2.6.34
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 · bf66f3736a945dd4e92d86427276c6eeab0a6c1d to before 739454057572cb0948658d1142f3fa2c6966465c, bf66f3736a945dd4e92d86427276c6eeab0a6c1d to before 416c18ecddafab0ed09be1e7b9d2f448f3d4db16, bf66f3736a945dd4e92d86427276c6eeab0a6c1d to before 256f0cff6e946c570392bda1d01a65e789a7afd0, bf66f3736a945dd4e92d86427276c6eeab0a6c1d to before b73832292cd914e87a55e863ba4413a907e7db6b, bf66f3736a945dd4e92d86427276c6eeab0a6c1d to before 38063cc435b69d56e76f947c10d336fcb2953508, bf66f3736a945dd4e92d86427276c6eeab0a6c1d to before d27f12c3f5e85efc479896af4a69eccb37f75e8e, bf66f3736a945dd4e92d86427276c6eeab0a6c1d to before e728f444c913a91d290d1824b4770780bbd6378e, bf66f3736a945dd4e92d86427276c6eeab0a6c1d to before ab3f894de216f4a62adc3b57e9191888cbf26885
Linux

Linux · 2.6.34
Linux

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

Component: Not specified by the source
Function: call
File: drivers/net/can/spi/mcp251x.c

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

What an attacker can do

NVD’s CVSS 3.1 assessment (base score 5.5/10) rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published

CWE
CWE-667
Product
azl3 kernel 6.6.126.1-1 on Azure Linux 3.0
CCR priority
22.0 /100 (P4)
CVSS 3.1
5.5 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H · NVD
EPSS
0.00099 · percentile 0.00765 · 2026-10-14
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2026-23357.html