CVE-2026-98973
Description
In the Linux kernel, the following vulnerability has been resolved: drm/bridge: Fix unlocked list_del in drm_bridge_add() When re-adding a bridge that was previously removed, drm_bridge_add() drops it from bridge_lingering_list without holding bridge_lock. Both bridge_list and bridge_lingering_list are protected by bridge_lock, as they are concurrently modified by drm_bridge_remove() and __drm_bridge_free(), and walked by the debugfs 'bridges' file. Running the list_empty() test and the list_del_init() outside of the lock may therefore corrupt either list. Perform both under bridge_lock.
How to fix
- Linux Linuxf469d850854101eae60dd4080244f114a9bcf2b5, b62e3db8cdc1680e1c3390591e872f485148541a or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 17805a15d1751f5d6bb06f924f9bed216feb8db7 ≤ v < f469d850854101eae60dd4080244f114a9bcf2b5, 17805a15d1751f5d6bb06f924f9bed216feb8db7 ≤ v < b62e3db8cdc1680e1c3390591e872f485148541a, 6.19 | f469d850854101eae60dd4080244f114a9bcf2b5, b62e3db8cdc1680e1c3390591e872f485148541a |
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