CVE-2023-53314
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-16

Last updated on: 2025-12-01

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: fbdev/ep93xx-fb: Do not assign to struct fb_info.dev Do not assing the Linux device to struct fb_info.dev. The call to register_framebuffer() initializes the field to the fbdev device. Drivers should not override its value. Fixes a bug where the driver incorrectly decreases the hardware device's reference counter and leaks the fbdev device. v2: * add Fixes tag (Dan)
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Meta Information
Published
2025-09-16
Last Modified
2025-12-01
Generated
2026-06-16
AI Q&A
2025-09-16
EPSS Evaluated
2026-06-15
NVD
CVE-2023-53314
Affected Vendors & Products
Showing 7 associated CPEs
Vendor Product Version / Range
linux linux_kernel From 2.6.32 (inc) to 4.14.326 (exc)
linux linux_kernel From 4.15 (inc) to 4.19.295 (exc)
linux linux_kernel From 4.20 (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)
Helpful Resources
Exploitability
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CWE ID Description
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Executive Summary

This vulnerability involves the Linux kernel's fbdev/ep93xx-fb driver incorrectly assigning the Linux device to the struct fb_info.dev field. The register_framebuffer() function initializes this field, and drivers should not override it. Overriding it causes the driver to incorrectly decrease the hardware device's reference counter and leak the fbdev device.

Impact Analysis

The vulnerability can lead to improper management of device reference counters, causing resource leaks of the fbdev device. This could potentially result in system instability or unexpected behavior related to framebuffer device management.

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