CVE-2023-53381

high

Description

In the Linux kernel, the following vulnerability has been resolved: NFSD: fix leaked reference count of nfsd4_ssc_umount_item The reference count of nfsd4_ssc_umount_item is not decremented on error conditions. This prevents the laundromat from unmounting the vfsmount of the source file. This patch decrements the reference count of nfsd4_ssc_umount_item on error.

References

https://git.kernel.org/stable/c/9f0df37520a27ad99eaacf38418b3d2bb5023105

https://git.kernel.org/stable/c/80a15dc4a0214b55ca42675bb0bb2a8d857eb1d0

https://git.kernel.org/stable/c/6c3c05402547aaca3edb23327b50f01a881831b9

https://git.kernel.org/stable/c/34e8f9ec4c9ac235f917747b23a200a5e0ec857b

https://git.kernel.org/stable/c/2da50149981d05955e51c28e982e9ac29bd73417

Details

Source: Mitre, NVD

Published: 2025-09-18

Updated: 2025-09-19

Risk Information

CVSS v2

Base Score: 6.6

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

Severity: Medium

CVSS v3

Base Score: 7.1

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Severity: High

EPSS

EPSS: 0.00018