CVE-2023-32246: falha em Linux
ksmbd: call rcu_barrier() in ksmbd_server_exit()
Publicada em · Atualizada em
3Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackepss 0.2%
probabilidade de exploração
0.2%top 93% das CVEs
exploração observada
nãonenhuma fonte reporta
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: call rcu_barrier() in ksmbd_server_exit()
racy issue is triggered the bug by racing between closing a connection
and rmmod. In ksmbd, rcu_barrier() is not called at module unload time,
so nothing prevents ksmbd from getting unloaded while it still has RCU
callbacks pending. It leads to trigger unintended execution of kernel
code locally and use to defeat protections such as Kernel Lockdown
Produtos afetados
Linux · LinuxCVEs relacionadas — Linux
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Referências
https://git.kernel.org/stable/c/5a7090ccc242ab009ee7769e9d7fad6644dbe9bdhttps://git.kernel.org/stable/c/b80422474ffe44cb5e813cd6da1f1c6bc50fd9d2https://git.kernel.org/stable/c/c053e389db0d892e2ff5a60ec5e533b976503795https://git.kernel.org/stable/c/d4174505016a3b2996eb7ff1530dcabbf15d47b6https://git.kernel.org/stable/c/eb307d09fe15844fdaebeb8cc8c9b9e925430aa5