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LIN1021-18063 : Security Advisory - linux - CVE-2023-53381

Created: Sep 19, 2025    Updated: Oct 14, 2025
Resolved Date: Oct 13, 2025
Found In Version: 10.21.20.1
Fix Version: 10.21.20.24
Severity: Standard
Applicable for: Wind River Linux LTS 21
Component/s: Kernel

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.
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