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LIN1021-18073 : Security Advisory - linux - CVE-2023-53391

Created: Sep 19, 2025    Updated: Oct 14, 2025
Resolved Date: Oct 13, 2025
Found In Version: 10.21.20.1
Fix Version: 10.21.20.19
Severity: Standard
Applicable for: Wind River Linux LTS 21
Component/s: Kernel

Description

In the Linux kernel, the following vulnerability has been resolved:  shmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs  As the ramfs-based tmpfs uses ramfs_init_fs_context() for the init_fs_context method, which allocates fc->s_fs_info, use ramfs_kill_sb() to free it and avoid a memory leak.
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