CVE-2025-71122
iommufd/selftest: Check for overflow in IOMMU_TEST_OP_ADD_RESERVED
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jan 14, 2026 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
f4b20bb34c83dceade5470288f48f94ce3598ada < 4cc829d61f10c20523fd4085c1546e741a792a97 f4b20bb34c83dceade5470288f48f94ce3598ada < e6c122cffcbb2e84d321ec8ba0e38ce8e7c10925 f4b20bb34c83dceade5470288f48f94ce3598ada < b166b8e0a381429fefd9180e67fbc834b3cee82f f4b20bb34c83dceade5470288f48f94ce3598ada < e6a973af11135439de32ece3b9cbe3bfc043bea8
Linux / Linux
6.2
References
git.kernel.org: https://git.kernel.org/stable/c/4cc829d61f10c20523fd4085c1546e741a792a97 git.kernel.org: https://git.kernel.org/stable/c/e6c122cffcbb2e84d321ec8ba0e38ce8e7c10925 git.kernel.org: https://git.kernel.org/stable/c/b166b8e0a381429fefd9180e67fbc834b3cee82f git.kernel.org: https://git.kernel.org/stable/c/e6a973af11135439de32ece3b9cbe3bfc043bea8