CVE-2023-53276 (GCVE-0-2023-53276)
Vulnerability from cvelistv5
Published
2025-09-16 08:11
Modified
2026-01-14 18:12
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: ubifs: Free memory for tmpfile name When opening a ubifs tmpfile on an encrypted directory, function fscrypt_setup_filename allocates memory for the name that is to be stored in the directory entry, but after the name has been copied to the directory entry inode, the memory is not freed. When running kmemleak on it we see that it is registered as a leak. The report below is triggered by a simple program 'tmpfile' just opening a tmpfile: unreferenced object 0xffff88810178f380 (size 32): comm "tmpfile", pid 509, jiffies 4294934744 (age 1524.742s) backtrace: __kmem_cache_alloc_node __kmalloc fscrypt_setup_filename ubifs_tmpfile vfs_tmpfile path_openat Free this memory after it has been copied to the inode.
References
Impacted products
Vendor Product Version
Linux Linux Version: f4f61d2cc6d8789a52245a4733b3e5643be154f3
Version: f4f61d2cc6d8789a52245a4733b3e5643be154f3
Version: f4f61d2cc6d8789a52245a4733b3e5643be154f3
Version: f4f61d2cc6d8789a52245a4733b3e5643be154f3
Version: f4f61d2cc6d8789a52245a4733b3e5643be154f3
Version: f4f61d2cc6d8789a52245a4733b3e5643be154f3
Version: f4f61d2cc6d8789a52245a4733b3e5643be154f3
Version: f4f61d2cc6d8789a52245a4733b3e5643be154f3
Version: f4f61d2cc6d8789a52245a4733b3e5643be154f3
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}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.