01 Record

CVE-2025-40105

vfs: Don't leak disconnected dentries on umount

HighPUBLISHEDCNA: Linux

CNA base score7.8 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

View raw JSON

02 Description

vfs: Don't leak disconnected dentries on umount

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 0.15% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 4.4% of scored records. A rank, not a probability.
NVD base score: 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status: Deferred. NVD last modified this record on 2026-07-30.
Red Hat severity: Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2025-10-30 09:48Z10 MO AGO

Last updated

2026-08-05 12:07Z1 MO AGO

Reserved

2025-04-16

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-911Improper Update of Reference CountBase

Data version

5.2

Document digest

42cd1a6318ba29a3dc83b02245b8ed6d22e513a3b57e26f3a46b16a51a0ccecb

05 Affected products

VendorProductVersionsPlatforms

LinuxLinuxf1ee616214cb22410e939d963bbb2349c2570f02 to < b5abafd0aa8d7bcb935c8f91e4cfc2f2820759e4, f1ee616214cb22410e939d963bbb2349c2570f02 to < 20863bb7fbb016379f8227122edfabc5c799bc79, f1ee616214cb22410e939d963bbb2349c2570f02 to < 8004d4b8cbf1bd68a23c160d57287e177c82cc69, f1ee616214cb22410e939d963bbb2349c2570f02 to < 7e0c8aaf4e28918abded547a5147c7d52c4af7d2, f1ee616214cb22410e939d963bbb2349c2570f02 to < cebfbf40056a4d858b2a3ca59a69936d599bd209, f1ee616214cb22410e939d963bbb2349c2570f02 to < 620f3b0ede9c5cb4976cd0457d0b04ad551e5d6b, f1ee616214cb22410e939d963bbb2349c2570f02 to < eadc49999fa994d6fbd70c332bd5d5051cc42261, f1ee616214cb22410e939d963bbb2349c2570f02 to < 56094ad3eaa21e6621396cc33811d8f72847a834, 4.16—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/b5abafd0aa8d7bcb935c8f91e4cfc2f2820759e4
git.kernel.orghttps://git.kernel.org/stable/c/20863bb7fbb016379f8227122edfabc5c799bc79
git.kernel.orghttps://git.kernel.org/stable/c/8004d4b8cbf1bd68a23c160d57287e177c82cc69
git.kernel.orghttps://git.kernel.org/stable/c/7e0c8aaf4e28918abded547a5147c7d52c4af7d2
git.kernel.orghttps://git.kernel.org/stable/c/cebfbf40056a4d858b2a3ca59a69936d599bd209
git.kernel.orghttps://git.kernel.org/stable/c/620f3b0ede9c5cb4976cd0457d0b04ad551e5d6b
git.kernel.orghttps://git.kernel.org/stable/c/eadc49999fa994d6fbd70c332bd5d5051cc42261
git.kernel.orghttps://git.kernel.org/stable/c/56094ad3eaa21e6621396cc33811d8f72847a834
cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-019113.html

01 Record index

CVE-2025-40105

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2025-40105

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References