CVE-2024-44970: falha crítica em Linux
net/mlx5e: SHAMPO, Fix invalid WQ linked list unlink
Publicada em · Atualizada em
28Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 9.8epss 0.6%
probabilidade de exploração
0.6%top 54% das CVEs
exploração observada
nãonenhuma fonte reporta
In the Linux kernel, the following vulnerability has been resolved:
net/mlx5e: SHAMPO, Fix invalid WQ linked list unlink
When all the strides in a WQE have been consumed, the WQE is unlinked
from the WQ linked list (mlx5_wq_ll_pop()). For SHAMPO, it is possible
to receive CQEs with 0 consumed strides for the same WQE even after the
WQE is fully consumed and unlinked. This triggers an additional unlink
for the same wqe which corrupts the linked list.
Fix this scenario by accepting 0 sized consumed strides without
unlinking the WQE again.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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Referências
https://git.kernel.org/stable/c/50d8009a0ac02c3311b23a0066511f8337bd88d9https://git.kernel.org/stable/c/650e24748e1e0a7ff91d5c72b72a2f2a452b5b76https://git.kernel.org/stable/c/7b379353e9144e1f7460ff15f39862012c9d0d78https://git.kernel.org/stable/c/fba8334721e266f92079632598e46e5f89082f30https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html