Vulnerability in Linux

CVE-2025-71122

In the Linux kernel, the following vulnerability has been resolved: iommufd/selftest: Check for overflow in IOMMU_TEST_OP_ADD_RESERVED syzkaller found it could overflow math in the test infrastructure and cause a WARN_ON by corrupting the reserved interval tree. This only effects test kernels with CONFIG_IOMMUFD_TEST. Validate the user input length in the test ioctl.

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 (10.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 10.5% 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-2025-71122: 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 f4b20bb34c83dceade5470288f48f94ce3598ada, 6.2, 0
  • Linux Kernel — versions 6.2, 6.19

References

Frequently asked questions

What is CVE-2025-71122?
CVE-2025-71122 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-01-14.
How severe is CVE-2025-71122?
High severity. CVSS v3 base score is 7.8 out of 10.