CVE-2025-39720

CVE-2025-39720

High · published September 5, 2025

CVSS v3.1
7.5
EPSS
0%
Percentile
20.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00286 · 20.0th percentile
Published
2025-09-05T22:15Z
Affected products (5)
ProductVersionsFixed in
linux/linux_kernel≥ 5.15, < 6.6.1036.6.103
linux/linux_kernel≥ 6.7, < 6.12.446.12.44
linux/linux_kernel≥ 6.13, < 6.16.46.16.4
linux/linux_kernelall versions—
linux/linux_kernelall versions—
References (4)
https://git.kernel.org/stable/c/36e010bb865fbaa1202fe9bcce3fd486d6db7606 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/89bb430f621124af39bb31763c4a8b504c9651e2 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9a7abce6e8c0e2145b346a6d4abf0d9655e9b0e8 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a1d2bab4d53368a526c97aba92671dd71814f95a · 416baaa9-dc9f-4396-8d5f-8c081fb06d67
EPSS history
Timeline
  • 05 SEP 17:21Z
    ksmbd: fix refcount leak causing resource not released
    cvelistv5