CVE-2026-99167
Gravedad:
Pendiente de análisis
Tipo:
No Disponible / Otro tipo
Fecha de publicación:
28/10/2026
Última modificación:
28/10/2026
Descripción
*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br />
<br />
net/sched: fix use-after-free in __tcf_action_put()<br />
<br />
__tcf_action_put() decrements the reference count before decrementing the<br />
binding count. Another thread can free the action between these operations,<br />
causing the binding-count update to access freed memory. KASAN reports it<br />
as:<br />
<br />
BUG: KASAN: slab-use-after-free in __tcf_action_put+0x327/0x340<br />
Write of size 4 at addr ff11000000d46420 by task tc-put-pause/64<br />
<br />
Hold the action IDR mutex across both counter updates and IDR removal,<br />
keeping cleanup outside the lock.


