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CVE-2021-47311

net: qcom/emac: fix UAF in emac_remove

EPSS 0.3%
In the Linux kernel, the following vulnerability has been resolved: net: qcom/emac: fix UAF in emac_remove adpt is netdev private data and it cannot be used after free_netdev() call. Using adpt after free_netdev() can cause UAF bug. Fix it by moving free_netdev() at the end of the function.
Productos afectados
Linux · Linux

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Referencias
https://git.kernel.org/stable/c/11e9d163d631198bb3eb41a677a61b499516c0f7https://git.kernel.org/stable/c/2b70ca92847c619d6264c7372ef74fcbfd1e048chttps://git.kernel.org/stable/c/4d04a42b926e682140776e54188f4a44f1f01a81https://git.kernel.org/stable/c/8a225a6e07a57a1538d53637cb3d82bd3e477839https://git.kernel.org/stable/c/ad297cd2db8953e2202970e9504cab247b6c7cb4https://git.kernel.org/stable/c/b1e091331920f8fbfc747dcbd16263fcd71abb2dhttps://git.kernel.org/stable/c/b560521eca03d0a2db6093a5a632cbdd0a0cf833