PT-2026-121950
CVE-2026-98973
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Publicado
2026-10-23
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Atualizado
2026-10-23
Descrição por
Pontuação
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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.
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