Unrated severityNVD Advisory· Published Jan 14, 2026· Updated Feb 9, 2026
iommufd/selftest: Check for overflow in IOMMU_TEST_OP_ADD_RESERVED
CVE-2025-71122
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.
Affected products
2- Linux/Linuxv5Range: 6.2
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
4News mentions
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