CVE-2025-21978

🗓️ 01 Apr 2025 16:15:29Reported by [email protected]Type

Fix for Linux kernel CVE-2025-21978 addressing address space leak in Hyper-V DRM device removal.

Reporter	Title	Published	Views	Family All 157
AstraLinux	Astra Linux – Vulnerability in Linux 6.1	14 Sep 202612:41	–	astralinux
BDU FSTEC	Linux kernel DoS	28 Sep 202500:00	–	bdu_fstec
Circl	CVE-2025-21978	1 Apr 202519:44	–	circl
CNNVD	Linux kernel 安全漏洞	1 Apr 202500:00	–	cnnvd
CVE	CVE-2025-21978	1 Apr 202515:47	–	cve
Cvelist	CVE-2025-21978 drm/hyperv: Fix address space leak when Hyper-V DRM device is removed	1 Apr 202515:47	–	cvelist
Debian	[SECURITY] [DLA 4193-1] linux-6.1 security update	29 May 202523:01	–	debian
Debian	[SECURITY] [DSA 5900-1] linux security update	12 Apr 202514:25	–	debian
Debian CVE	CVE-2025-21978	1 Apr 202515:47	–	debiancve
Tenable Nessus	Debian dla-4193 : linux-config-6.1 - security update	29 May 202500:00	–	nessus

NVD

Node

linux linux_kernelRange6.0–6.1.132

linux linux_kernelRange6.2–6.6.84

linux linux_kernelRange6.7–6.12.20

linux linux_kernelRange6.13–6.13.8

Source	Link
git	www.git.kernel.org/stable/c/ad27b4a51495490b815580d9b935e8eee14d1a9c
lists	www.lists.debian.org/debian-lts-announce/2025/05/msg00045.html
git	www.git.kernel.org/stable/c/aed709355fd05ef747e1af24a1d5d78cd7feb81e
git	www.git.kernel.org/stable/c/24f1bbfb2be77dad82489c1468bbb14312aab129
git	www.git.kernel.org/stable/c/c40cd24bfb9bfbb315c118ca14ebe6cf52e2dd1e
git	www.git.kernel.org/stable/c/158242b56bf465a73e1edeac0fe828a8acad4499

17 Jun 2026 08:44Current

CVSS 3.15.5

EPSS0.0019