CVE-2023-53381

Published: Sep 18, 2025Modified: Jun 17, 2026

5.5

Vector

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

Exploitability: 1.8 / Impact: 3.6

Source: NVD

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.

Affected (3)

Products: Linux: Linux Kernel

1 product

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	From 5.14 to 5.15.154
Linux Linux Kernel	From 5.16 to 6.1.16
Linux Linux Kernel	From 6.2 to 6.2.3

References (5)

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

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

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

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

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

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

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

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

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

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

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