CVE-2022-50404
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-09-18
Last updated on: 2026-03-17
Assigner: kernel.org
Description
Description
In the Linux kernel, the following vulnerability has been resolved:
fbdev: fbcon: release buffer when fbcon_do_set_font() failed
syzbot is reporting memory leak at fbcon_do_set_font() [1], for
commit a5a923038d70 ("fbdev: fbcon: Properly revert changes when
vc_resize() failed") missed that the buffer might be newly allocated
by fbcon_set_font().
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | From 5.15.64 (inc) to 5.15.86 (exc) |
| linux | linux_kernel | From 5.19.6 (inc) to 6.0 (exc) |
| linux | linux_kernel | From 6.0.1 (inc) to 6.0.16 (exc) |
| linux | linux_kernel | From 6.1 (inc) to 6.1.2 (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 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-401 | The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a memory leak in the Linux kernel's framebuffer console (fbcon) component. Specifically, when the function fbcon_do_set_font() fails, the buffer allocated by fbcon_set_font() is not properly released, leading to a memory leak.
How can this vulnerability impact me? :
The memory leak caused by this vulnerability can lead to increased memory usage over time, potentially degrading system performance or causing resource exhaustion if the issue occurs repeatedly.
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