CVE-2023-53314

MEDIUM

Linux Kernel 2.6.32-4.14.326 - Use-After-Free in fbdev/ep93xx-fb Device Reference Handling

Title source: llm
STIX 2.1

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)

References (8)

Core 8

Scores

CVSS v3 5.5
EPSS 0.0015
EPSS Percentile 4.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (26)
linux/Kernel 2.6.32 - 4.14.326linux
linux/Kernel 4.15.0 - 4.19.295linux
linux/Kernel 4.20.0 - 5.4.257linux
linux/Kernel 5.11.0 - 5.15.132linux
linux/Kernel 5.16.0 - 6.1.54linux
linux/Kernel 5.5.0 - 5.10.195linux
linux/Kernel 6.2.0 - 6.5.4linux
Linux/Linux < 2.6.32
Linux/Linux 2.6.32
Linux/Linux 4.14.326 - 4.14.*
... and 16 more
Published Sep 16, 2025
Tracked Since Feb 18, 2026