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CVE-2025-40105 vfs: Don't leak disconnected dentries on umount

🗓️ 30 Oct 2025 09:48:09Reported by GoogleType 
osv
 osv🔗 osv.dev👁 1 Views

Fix leak of disconnected dentries on umount by marking all dentries under a disconnected parent as disconnected.

Related
Refs
ReporterTitlePublishedViews
Family
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-5.10-2026-112 (ALASKERNEL-5.10-2026-112)
19 Feb 202600:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2025-094 (ALASKERNEL-5.15-2025-094)
8 Dec 202500:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2025-114 (ALASKERNEL-5.4-2025-114)
10 Nov 202500:00
–nessus
Tenable Nessus		Debian dla-4379 : linux-config-6.1 - security update
25 Nov 202500:00
–nessus
Tenable Nessus		Debian dla-4404 : ata-modules-5.10.0-35-armmp-di - security update
12 Dec 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		EulerOS 2.0 SP12 : kernel (EulerOS-SA-2026-1071)
15 Jan 202600:00
–nessus
Tenable Nessus		EulerOS 2.0 SP12 : kernel (EulerOS-SA-2026-1091)
15 Jan 202600:00
–nessus
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16 Apr 2026 04:35Current
6.3Medium risk
Vulners AI Score6.3
EPSS0.00083
linux kernelvirtual file systemdentries leakumount bugdisconnected dentriesreconnection pathmemory reclaimbusy inodes
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