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CVE-2025-40040

🗓️ 28 Oct 2025 12:15:37Reported by [email protected]Type 
nvd
 nvd🔗 web.nvd.nist.gov👁 2 Views

CVE-2025-40040 fixes flag-dropping in ksm_madvise causing userfaultfd inconsistency on MADV_UNMEARGEABLE VMAs.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2025-40040
28 Oct 202511:48
–attackerkb
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2025-1297)
9 Dec 202500:00
–nessus
Tenable Nessus		Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2025-1316)
9 Dec 202500:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2025-096 (ALASKERNEL-5.15-2025-096)
5 Jan 202600:00
–nessus
Tenable Nessus		Debian dla-4379 : linux-config-6.1 - security update
25 Nov 202500:00
–nessus
Tenable Nessus		Debian dsa-6053 : affs-modules-6.1.0-37-4kc-malta-di - security update
11 Nov 202500:00
–nessus
Tenable Nessus		openSUSE 16 Security Update : kernel (openSUSE-SU-2025-20091-1)
2 Dec 202500:00
–nessus
Tenable Nessus		Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2025-28040)
10 Dec 202500:00
–nessus
Tenable Nessus		Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2026-50113)
17 Feb 202600:00
–nessus
Tenable Nessus		Photon OS 4.0: Linux PHSA-2025-4.0-0924
11 Dec 202500:00
–nessus
Rows per page
NVD
Node
linuxlinux_kernelRange4.6–5.4.302
OR
linuxlinux_kernelRange5.5–5.10.247
OR
linuxlinux_kernelRange5.11–5.15.197
OR
linuxlinux_kernelRange5.16–6.1.158
OR
linuxlinux_kernelRange6.2–6.6.114
OR
linuxlinux_kernelRange6.7–6.12.55
OR
linuxlinux_kernelRange6.13–6.17.3

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26 Feb 2026 15:51Current
CVSS 3.15.5
EPSS0.00013
linux kernelksm madviseuserfaultfdvma flagsunmergeable
2