CVE-2025-39720

MediumCVSS 5.5/10Last modified Oct 30, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: fix refcount leak causing resource not released

When ksmbd_conn_releasing(opinfo->conn) returns true,the refcount was not decremented properly, causing a refcount leak that prevents the count from reaching zero and the memory from being released.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected software

VendorProductVersions
LinuxLinux>= 0626e6641f6b467447c81dd7678a69c66f7746cf, < 263680d314eaaa27334f486d86c9fe7d19f50c8a; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < a1d2bab4d53368a526c97aba92671dd71814f95a; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < 36e010bb865fbaa1202fe9bcce3fd486d6db7606; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < 9a7abce6e8c0e2145b346a6d4abf0d9655e9b0e8; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < 89bb430f621124af39bb31763c4a8b504c9651e2
LinuxLinux5.15

References

Timeline

Published
Sep 5, 2025
Last modified
Oct 30, 2026
NVD status
Modified

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CVE-2025-39720: Medium severity, CVSS 5.5 | Vulnix