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CVE-2026-23327: linux kernel 5.19; +1 more affected products
CVE-2026-23327 affects azl3 kernel 6.6.126.1-1 on Azure Linux 3.0. CVSS 3.1 base score 7.1 (HIGH, NVD). EPSS 0.00124 (percentile 0.01924), scored 20-Oct-2026.
Affected technology
linux kernel · from 5.19.1 (inclusive), before 6.19.7 (exclusive)
linux
linux kernel · 5.19
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 · 6179045ccc0c6229dc449afc1701dc7fbd40571f to before 3555e41737c0f8b5b53a511573661477e3942dee, 6179045ccc0c6229dc449afc1701dc7fbd40571f to before 483b7eb4b1b2a03235afe1b274732dcf8231d4ec, 6179045ccc0c6229dc449afc1701dc7fbd40571f to before dc184ac2f0ba77ae19725ee06ad3ab36bb9d1f61, 6179045ccc0c6229dc449afc1701dc7fbd40571f to before 7c8a7b7f063b7e7ae9bba4cbaa14a5d2fe3a55e1, 6179045ccc0c6229dc449afc1701dc7fbd40571f to before 60b5d1f68338aff2c5af0113f04aefa7169c50c2
Linux
Linux · 5.19
Linux
Component: Not specified by the source
File: drivers/cxl/core/mbox.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 7.1/10) rates confidentiality and availability impact as high; integrity impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.
- CWE
- CWE-125
- Product
- azl3 kernel 6.6.126.1-1 on Azure Linux 3.0
- CCR priority
- 28.4 /100 (P4)
- CVSS 3.1
- 7.1 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H · NVD
- EPSS
- 0.00124 · percentile 0.01924 · 2026-10-20
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-20 16:56:29.772392+00:00 UTC
- GitHub Advisory Database · Source record · observed 2026-10-21 16:14:50.830645+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 2026-10-21 16:09:05.633125+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-23327.html