CVE-2025-71122

high

Description

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.

References

https://git.kernel.org/stable/c/e6c122cffcbb2e84d321ec8ba0e38ce8e7c10925

https://git.kernel.org/stable/c/e6a973af11135439de32ece3b9cbe3bfc043bea8

https://git.kernel.org/stable/c/b166b8e0a381429fefd9180e67fbc834b3cee82f

https://git.kernel.org/stable/c/4cc829d61f10c20523fd4085c1546e741a792a97

Details

Source: Mitre, NVD

Published: 2026-01-14

Updated: 2026-01-14

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High