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.

CVSS 3.1

5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 13% of CVEs (scores of 2026-10-25)

Published

2025-05-02

Modified

2026-10-15

Record from

the NVD, synced 2026-10-19

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/3cfc3564411acf96bf2fb791f706a1aa4f872c1d
• https://git.kernel.org/stable/c/580634b03a55f04a3c1968bcbd97736c079c6601
• https://git.kernel.org/stable/c/a069909acc4435eeb41d05ccc03baa447cc01b7e
• https://git.kernel.org/stable/c/bb2e3bfb2a79db0c2057c6f701b782954394c67f
• https://git.kernel.org/stable/c/c7df4813b149362248d6ef7be41a311e27bf75fe

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