CVE-2023-53495
BaseFortify
Publication date: 2025-10-01
Last updated on: 2026-01-16
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 5.2 (inc) to 5.4.257 (exc) |
| linux | linux_kernel | From 5.5 (inc) to 5.10.195 (exc) |
| linux | linux_kernel | From 5.11 (inc) to 5.15.132 (exc) |
| linux | linux_kernel | From 5.16 (inc) to 6.1.54 (exc) |
| linux | linux_kernel | From 6.2 (inc) to 6.5.4 (exc) |
| linux | linux_kernel | 6.6 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-787 | The product writes data past the end, or before the beginning, of the intended buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a possible out-of-bounds (OOB) write in the Linux kernel's mvpp2 ethernet driver, specifically in the function mvpp2_ethtool_get_rxnfc(). The issue arises because the 'rules' buffer is allocated based on a size determined by 'rule_cnt' from user space, but 'rule_cnt' is not properly checked before use. This can lead to writing outside the allocated memory or a NULL pointer dereference.
How can this vulnerability impact me? :
The vulnerability can cause memory corruption due to out-of-bounds writes or cause the kernel to dereference a NULL pointer, potentially leading to system crashes, instability, or denial of service on affected Linux systems using the mvpp2 ethernet driver.