Vulnerability in Linux

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (12.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-53080: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

  • Linux — versions bbff2f321a864ee07c9d3d1245af498023146951, 4.18, 0
  • Linux Kernel — versions 6.3

References

Frequently asked questions

What is CVE-2023-53080?
CVE-2023-53080 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2025-05-02.
How severe is CVE-2023-53080?
High severity. CVSS v3 base score is 7.8 out of 10.