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CVE-2026-23364: linux kernel 5.15; +2 more affected products

CVE-2026-23364 affects azl3 kernel 6.6.126.1-1 on Azure Linux 3.0. CVSS 3.1 base score 7.4 (HIGH, Source advisory). EPSS 0.00392 (percentile 0.31569), scored 14-Oct-2026.

Affected technology

linux kernel · from 5.15.1 (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 6.12.78 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.18.19 (exclusive)
linux

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

linux kernel · 5.15
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 · e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 8a665d733940592e671ec6afadcd0be80a091a80, e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before cd52a0e309659537048a864211abc3ea4c5caa63, e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 307afccb751f542246bd5dc68a2c1ffe1a78418c, e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 2cdc56ed67615ba0921383a688f24415ebe065f3, e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 93c0a22fec914ec4b697e464895a0f594e29fb28, e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before f4588b85efd6007d46b80aa1b9fb746628ffb3dc, e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before c5794709bc9105935dbedef8b9cf9c06f2b559fa
Linux

Linux · 5.15
Linux

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

Component: Not specified by the source
File: fs/smb/server/Kconfig, fs/smb/server/auth.c, fs/smb/server/smb2pdu.c

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

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 7.4/10) rates confidentiality and integrity impact as high; availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published

Product
azl3 kernel 6.6.126.1-1 on Azure Linux 3.0
CCR priority
29.7 /100 (P4)
CVSS 3.1
7.4 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N · Source advisory
EPSS
0.00392 · percentile 0.31569 · 2026-10-14
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2026-23364.html