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CVE-2021-46934

i2c: validate user data in compat ioctl

EPSS 0.2%
In the Linux kernel, the following vulnerability has been resolved: i2c: validate user data in compat ioctl Wrong user data may cause warning in i2c_transfer(), ex: zero msgs. Userspace should not be able to trigger warnings, so this patch adds validation checks for user data in compact ioctl to prevent reported warnings
Productos afectados
Linux · Linux

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Referencias
https://git.kernel.org/stable/c/407c8708fb1bf2d4afc5337ef50635cf540c364bhttps://git.kernel.org/stable/c/8d31cbab4c295d7010ebb729e9d02d0e9cece18fhttps://git.kernel.org/stable/c/9e4a3f47eff476097e0c7faac04d1831fc70237dhttps://git.kernel.org/stable/c/bb436283e25aaf1533ce061605d23a9564447bdfhttps://git.kernel.org/stable/c/f68599581067e8a5a8901ba9eb270b4519690e26