CVE-2023-53258
BaseFortify
Publication date: 2025-09-15
Last updated on: 2025-12-02
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 6.0.1 (inc) to 6.1.43 (exc) |
| linux | linux_kernel | From 6.2 (inc) to 6.4.8 (exc) |
| linux | linux_kernel | 6.0 |
| linux | linux_kernel | 6.0 |
| linux | linux_kernel | 6.0 |
| linux | linux_kernel | 6.0 |
| linux | linux_kernel | 6.0 |
| linux | linux_kernel | 6.0 |
| linux | linux_kernel | 6.0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-191 | The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability in the Linux kernel's AMD display driver involves a possible underflow condition when using displays with a large vertical blanking (vblank) region and a low refresh rate. The issue arises from the calculation of the vblank_nom value, which was simplified and adjusted to prevent this underflow by increasing the default vblank nominal value to 800 microseconds.
How can this vulnerability impact me? :
The underflow in the display driver could potentially cause display issues such as flickering, instability, or incorrect rendering on affected displays with large vblank regions and low refresh rates. This may degrade the user experience or cause visual artifacts.