{"id":"CVE-2025-71122","summary":"iommufd/selftest: Check for overflow in IOMMU_TEST_OP_ADD_RESERVED","details":"In the Linux kernel, the following vulnerability has been resolved:\n\niommufd/selftest: Check for overflow in IOMMU_TEST_OP_ADD_RESERVED\n\nsyzkaller found it could overflow math in the test infrastructure and\ncause a WARN_ON by corrupting the reserved interval tree. This only\neffects test kernels with CONFIG_IOMMUFD_TEST.\n\nValidate the user input length in the test ioctl.","modified":"2026-04-02T13:04:50.550679Z","published":"2026-01-14T15:06:08.556Z","related":["MGASA-2026-0017","MGASA-2026-0018"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71122.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/4cc829d61f10c20523fd4085c1546e741a792a97"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b166b8e0a381429fefd9180e67fbc834b3cee82f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e6a973af11135439de32ece3b9cbe3bfc043bea8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e6c122cffcbb2e84d321ec8ba0e38ce8e7c10925"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71122.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-71122"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"f4b20bb34c83dceade5470288f48f94ce3598ada"},{"fixed":"4cc829d61f10c20523fd4085c1546e741a792a97"},{"fixed":"e6c122cffcbb2e84d321ec8ba0e38ce8e7c10925"},{"fixed":"b166b8e0a381429fefd9180e67fbc834b3cee82f"},{"fixed":"e6a973af11135439de32ece3b9cbe3bfc043bea8"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-71122.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.120"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.64"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.3"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-71122.json"}}],"schema_version":"1.7.5"}