CVE-2023-53381

MEDIUM

Linux Kernel 5.14 - Reference Count Leak in NFSD SSC Umount Item

Title source: llm
STIX 2.1

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 (5)

Core 5

Scores

CVSS v3 5.5
EPSS 0.0014
EPSS Percentile 3.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (15)
linux/Kernel 5.14.0 - 5.15.154linux
linux/Kernel 5.16.0 - 6.1.16linux
linux/Kernel 6.2.0 - 6.2.3linux
Linux/Linux < 5.14
Linux/Linux 5.14
Linux/Linux 5.15.154 - 5.15.*
Linux/Linux 6.1.16 - 6.1.*
Linux/Linux 6.2.3 - 6.2.*
Linux/Linux 6.3
Linux/Linux a4bc287943f5695209ff36bdc89f17b48d68fae7 - 2da50149981d05955e51c28e982e9ac29bd73417
... and 5 more
Published Sep 18, 2025
Tracked Since Feb 18, 2026