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  1. CVEs
  2. CVE-2025-40285
  1. CVEs

CVE-2025-40285

medium
  • Information
  • CPEs
  • Plugins

Description

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix possible refcount leak in smb2_sess_setup() Reference count of ksmbd_session will leak when session need reconnect. Fix this by adding the missing ksmbd_user_session_put().

References

https://git.kernel.org/stable/c/e671f9bb97805771380c98de944e2ceab6949188

https://git.kernel.org/stable/c/dcc51dfe6ff26b52cac106865a172ac982d78401

https://git.kernel.org/stable/c/d37b2c81c83d6c0d5ca582f4fe73c672983f9e0d

https://git.kernel.org/stable/c/6fc935f798d44a8eb8a5e6659198399fbf57b981

https://git.kernel.org/stable/c/379510a815cb2e64eb0a379cb62295d6ade65df0

Details

Source: Mitre, NVD

Published: 2025-12-06

Updated: 2026-04-15

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

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

Severity: Medium

EPSS

EPSS: 0.00018

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