CVE-2023-53399
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-18

Last updated on: 2025-12-11

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix NULL pointer dereference in smb2_get_info_filesystem() If share is , share->path is NULL and it cause NULL pointer dereference issue.
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Meta Information
Published
2025-09-18
Last Modified
2025-12-11
Generated
2026-06-16
AI Q&A
2025-09-18
EPSS Evaluated
2026-06-15
NVD
CVE-2023-53399
Affected Vendors & Products
Showing 4 associated CPEs
Vendor Product Version / Range
linux linux_kernel From 5.15 (inc) to 5.15.111 (exc)
linux linux_kernel From 5.16 (inc) to 6.1.28 (exc)
linux linux_kernel From 6.2 (inc) to 6.2.15 (exc)
linux linux_kernel From 6.3 (inc) to 6.3.2 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-476 The product dereferences a pointer that it expects to be valid but is NULL.
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Executive Summary

This vulnerability is a NULL pointer dereference issue in the Linux kernel's ksmbd component, specifically in the smb2_get_info_filesystem() function. It occurs when the share's path is NULL, causing the system to attempt to access a NULL pointer, which can lead to a crash or unexpected behavior.

Impact Analysis

This vulnerability can cause the affected system to crash or behave unexpectedly due to the NULL pointer dereference, potentially leading to denial of service or instability in the Linux kernel's SMB server functionality.

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