CVE-2026-23405

🗓️ 01 Apr 2026 09:16:16Reported by [email protected]Type

Linux kernel AppArmor fix caps policy namespaces to match user namespaces, preventing exhaustion.

Reporter	Title	Published	Views	Family All 126
attackerkb	CVE-2026-23405	1 Apr 202608:36	–	attackerkb
AstraLinux	Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15	15 Oct 202615:53	–	astralinux
BDU FSTEC	AppArmor DoS	8 Jun 202600:00	–	bdu_fstec
CBLMariner	CVE-2026-23405 affecting package kernel for versions less than 6.6.130.1-1	30 Mar 202616:12	–	cbl_mariner
Circl	CVE-2026-23405	1 Apr 202611:50	–	circl
CNNVD	Linux Kernel Security Vulnerabilities	1 Apr 202600:00	–	cnnvd
CVE	CVE-2026-23405	1 Apr 202608:36	–	cve
Cvelist	CVE-2026-23405 apparmor: fix: limit the number of levels of policy namespaces	1 Apr 202608:36	–	cvelist
Debian CVE	CVE-2026-23405	1 Apr 202608:36	–	debiancve
Tenable Nessus	EulerOS 2.0 SP11 : kernel (EulerOS-SA-2026-2209)	9 Jun 202600:00	–	nessus

NVD

Node

linux linux_kernelRange2.6.36.1–5.10.253

linux linux_kernelRange5.11–5.15.203

linux linux_kernelRange5.16–6.1.169

linux linux_kernelRange6.2–6.6.130

linux linux_kernelRange6.7–6.12.77

linux linux_kernelRange6.13–6.18.18

linux linux_kernelRange6.19–6.19.8

Source	Link
git	www.git.kernel.org/stable/c/306039414932c80f8420695a24d4fe10c84ccfb2
git	www.git.kernel.org/stable/c/3f8699b3ee0c04b4b9bc27b82cd89a40e81e1d2e
git	www.git.kernel.org/stable/c/6b396cc2f0365e684fc1d3547d18ef79fcee225d
git	www.git.kernel.org/stable/c/87d0cecc900e55d55fc4dbfb43ac93e269c7a5b3
git	www.git.kernel.org/stable/c/d42b2b6bb77ca40ee34ab74ad79305840b5f315d
git	www.git.kernel.org/stable/c/b1226e37eb3754d389721c135db6107db94c7a72
git	www.git.kernel.org/stable/c/853ce31ca72097d23991a06876a2ccb5cb64b603
git	www.git.kernel.org/stable/c/7b6495ead2c611647f6b11441a852324e3eb8616

17 Jun 2026 10:21Current

CVSS 3.15.5

EPSS0.00181