CVE-2023-53080

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.

The issue fixes a missing overflow check in xdp_umem_reg() that could allow incorrect memory region registration. It requires privileged access and does not impact confidentiality or integrity, only potentially causing a local denial of service.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.