CVE-2023-53399
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-09-18
Last updated on: 2025-12-11
Assigner: kernel.org
Description
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.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| 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
KEV
| CWE ID | Description |
|---|---|
| CWE-476 | The product dereferences a pointer that it expects to be valid but is NULL. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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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