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CVE-2023-53080

xsk: Add missing overflow check in xdp_umem_reg

EPSS 0.2%
In the Linux kernel, the following vulnerability has been resolved: xsk: Add missing overflow check in xdp_umem_reg The number of chunks can overflow u32. Make sure to return -EINVAL on overflow. Also remove a redundant u32 cast assigning umem->npgs.
Affected products
Linux · Linux

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References
https://git.kernel.org/stable/c/3cfc3564411acf96bf2fb791f706a1aa4f872c1dhttps://git.kernel.org/stable/c/580634b03a55f04a3c1968bcbd97736c079c6601https://git.kernel.org/stable/c/a069909acc4435eeb41d05ccc03baa447cc01b7ehttps://git.kernel.org/stable/c/bb2e3bfb2a79db0c2057c6f701b782954394c67fhttps://git.kernel.org/stable/c/c7df4813b149362248d6ef7be41a311e27bf75fe