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CVE-2022-50830

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CVE-2022-50830

Published: Dec 30, 2025

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: auxdisplay: hd44780: Fix potential memory leak in hd44780_remove() hd44780_probe() allocates a memory chunk for hd with kzalloc() and makes "lcd->drvdata->hd44780" point to it. When we call hd44780_remove(), we should release all relevant memory and resource. But "lcd->drvdata ->hd44780" is not released, which will lead to a memory leak. We should release the "lcd->drvdata->hd44780" in hd44780_remove() to fix the memory leak bug.

VendorProductVersions

Linux

Linux

affected
718e05ed92ecac0d9d3954bcc8064527c3ce7565 - < 8311961a1724bfc64390c539dedc31e067a80315
affected
718e05ed92ecac0d9d3954bcc8064527c3ce7565 - < 6cd37f8232f5e169a723e1d5fbe3b2139c2ef763
affected
718e05ed92ecac0d9d3954bcc8064527c3ce7565 - < 5d407911e605702ffcc0e97a6db546592ab27dd0
affected
718e05ed92ecac0d9d3954bcc8064527c3ce7565 - < ddf75a86aba2cfb7ec4497e8692b60c8c8fe0ee7

Linux

Linux

affected
5.11
unaffected
0 - < 5.11
unaffected
5.15.100 - <= 5.15.*
unaffected
6.1.18 - <= 6.1.*
unaffected
6.2.5 - <= 6.2.*

+1 more versions

References

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