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CVE-2026-23399: linux kernel 5.11; +5 more affected products
CVE-2026-23399 affects azl3 kernel 6.6.126.1-1 on Azure Linux 3.0. CVSS 3.1 base score 5.5 (MEDIUM, NVD). EPSS 0.00121 (percentile 0.01752), scored 14-Oct-2026.
Affected technology
linux kernel · from 5.11.1 (inclusive), before 6.12.78 (exclusive)
linux
linux kernel · from 6.13 (inclusive), before 6.18.20 (exclusive)
linux
linux kernel · from 6.19 (inclusive), before 6.19.10 (exclusive)
linux
linux kernel · 5.11
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 · 563125a73ac30d7036ae69ca35c40500562c1de4 to before eb7bf413e59945df03d4567b73ce464eebe2f4ea, 563125a73ac30d7036ae69ca35c40500562c1de4 to before 4357dbb1d9c35ca0b4443d71c98a48e6666f7689, 563125a73ac30d7036ae69ca35c40500562c1de4 to before e6661add2d9c6913e1dad97336595e23a2bed195, 563125a73ac30d7036ae69ca35c40500562c1de4 to before d1354873cbe3b344899c4311ac05897fd83e3f21, 563125a73ac30d7036ae69ca35c40500562c1de4 to before 31641c682db73353e4647e40735c7f2a75ff58ef, 563125a73ac30d7036ae69ca35c40500562c1de4 to before c88a9fd26cee365bec932196f76175772a941cca, 563125a73ac30d7036ae69ca35c40500562c1de4 to before 0548a13b5a145b16e4da0628b5936baf35f51b43
Linux
Linux · 5.11
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 · V3.1.7 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 · V3.1.7 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 · V3.1.7 to before *
Siemens
Component: Not specified by the source
File: include/net/netfilter/nf_tables.h, net/netfilter/nf_tables_api.c, net/netfilter/nft_dynset.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.
- CWE
- CWE-401
- 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
- 0.00121 · percentile 0.01752 · 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-2026-23399.html