CVE-2023-4515
BaseFortify
Publication date: 2025-08-16
Last updated on: 2025-11-18
Assigner: kernel.org
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | From 5.15.160 (inc) to 5.16 (inc) |
| linux | linux_kernel | 6.4 |
| linux | linux_kernel | 6.5 |
| linux | linux_kernel | 6.5 |
| linux | linux_kernel | 6.5 |
| linux | linux_kernel | 6.5 |
| linux | linux_kernel | 6.5 |
| linux | linux_kernel | From 5.15.160 (inc) to 5.16 (inc) |
| linux | linux_kernel | From 5.15.160 (inc) to 5.16 (inc) |
| linux | linux_kernel | From 5.15.160 (inc) to 5.16 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-NVD-CWE-noinfo |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability in the Linux kernel's ksmbd component involves improper validation of the command request size. Except for the SMB2_OPLOCK_BREAK_HE command, the request size of other commands was not checked as expected. This could allow malformed or unexpected command payloads to be processed, potentially leading to security issues. The vulnerability was fixed by adding checks for the request size of other commands.
How can this vulnerability impact me? :
If exploited, this vulnerability could allow an attacker to send malformed SMB commands with unexpected payload sizes, which might lead to denial of service or other unintended behavior in the Linux kernel's SMB server component. This could impact system stability or security depending on the context in which ksmbd is used.