CVE-2023-53080: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

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 Kernel: from 4.18, before 5.10.177 (fixed in 5.10.177); from 5.11, before 5.15.105 (fixed in 5.15.105); from 5.16, before 6.1.22 (fixed in 6.1.22); from 6.2, before 6.2.9 (fixed in 6.2.9); version 6.3 only

Published 2025-05-02. Last modified 2026-08-04.