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The vulnerability of the memdup_user_nul() function in the Linux operating system’s kernel allows a hacker to cause a service failure.
🗓️ 24 Nov 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 1 Views
| Reporter | Title | Published | Views | Family All 171 |
|---|---|---|---|---|
 | Astra Linux – Vulnerability in Linux 6.1 | 20 May 202605:53 | – | astralinux |
 | CVE-2025-40193 affecting package kernel for versions less than 6.6.117.1-1 | 15 Dec 202516:03 | – | cbl_mariner |
 | CVE-2025-40193 | 3 Dec 202514:14 | – | circl |
 | Linux kernel 安全漏洞 | 12 Nov 202500:00 | – | cnnvd |
 | CVE-2025-40193 | 12 Nov 202521:56 | – | cve |
 | CVE-2025-40193 xtensa: simdisk: add input size check in proc_write_simdisk | 12 Nov 202521:56 | – | cvelist |
 | [SECURITY] [DLA 4379-1] linux-6.1 security update | 25 Nov 202517:19 | – | debian |
 | CVE-2025-40193 | 12 Nov 202521:56 | – | debiancve |
 | Debian dla-4379 : linux-config-6.1 - security update | 25 Nov 202500:00 | – | nessus |
| Photon OS 5.0: Linux PHSA-2025-5.0-0655 | 24 Oct 202500:00 | – | nessus |
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11 Mar 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 24.6
CVSS 35.5
EPSS0.0017