CVE-2024-50071: pinctrl: nuvoton: fix a double free in ma35_pinctrl_dt_node_to_map_func()
First published: Tue Oct 29 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: pinctrl: nuvoton: fix a double free in ma35_pinctrl_dt_node_to_map_func() 'new_map' is allocated using devm_* which takes care of freeing the allocated data on device removal, call to .dt_free_map = pinconf_generic_dt_free_map double frees the map as pinconf_generic_dt_free_map() calls pinctrl_utils_free_map(). Fix this by using kcalloc() instead of auto-managed devm_kcalloc().
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=6.11<6.11.5 | |
| Linux Linux kernel | =6.12-rc1 | |
| Linux Linux kernel | =6.12-rc2 | |
| Linux Linux kernel | =6.12-rc3 |
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