{"id":"CVE-2025-71122","state":"PUBLISHED","title":"iommufd/selftest: Check for overflow in IOMMU_TEST_OP_ADD_RESERVED","description":"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.","publishedAt":"2026-01-14T15:06:08.556Z","updatedAt":"2026-05-11T21:55:23.921Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"f4b20bb34c83dceade5470288f48f94ce3598ada","status":"affected","lessThan":"4cc829d61f10c20523fd4085c1546e741a792a97","versionType":"git"},{"version":"f4b20bb34c83dceade5470288f48f94ce3598ada","status":"affected","lessThan":"e6c122cffcbb2e84d321ec8ba0e38ce8e7c10925","versionType":"git"},{"version":"f4b20bb34c83dceade5470288f48f94ce3598ada","status":"affected","lessThan":"b166b8e0a381429fefd9180e67fbc834b3cee82f","versionType":"git"},{"version":"f4b20bb34c83dceade5470288f48f94ce3598ada","status":"affected","lessThan":"e6a973af11135439de32ece3b9cbe3bfc043bea8","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/iommufd/selftest.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.2","versionType":"semver"},{"version":"6.6.120","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.64","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.3","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/iommufd/selftest.c"]}],"references":["https://git.kernel.org/stable/c/4cc829d61f10c20523fd4085c1546e741a792a97","https://git.kernel.org/stable/c/e6c122cffcbb2e84d321ec8ba0e38ce8e7c10925","https://git.kernel.org/stable/c/b166b8e0a381429fefd9180e67fbc834b3cee82f","https://git.kernel.org/stable/c/e6a973af11135439de32ece3b9cbe3bfc043bea8"],"weaknesses":[],"ingestedAt":"2026-10-29T20:10:04.440Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/71xxx/CVE-2025-71122.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-71122","state":"PUBLISHED","datePublished":"2026-01-14T15:06:08.556Z","dateUpdated":"2026-05-11T21:55:23.921Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:30:19.654Z"},"containers":{"cna":{"title":"iommufd/selftest: Check for overflow in IOMMU_TEST_OP_ADD_RESERVED","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"f4b20bb34c83dceade5470288f48f94ce3598ada","status":"affected","lessThan":"4cc829d61f10c20523fd4085c1546e741a792a97","versionType":"git"},{"version":"f4b20bb34c83dceade5470288f48f94ce3598ada","status":"affected","lessThan":"e6c122cffcbb2e84d321ec8ba0e38ce8e7c10925","versionType":"git"},{"version":"f4b20bb34c83dceade5470288f48f94ce3598ada","status":"affected","lessThan":"b166b8e0a381429fefd9180e67fbc834b3cee82f","versionType":"git"},{"version":"f4b20bb34c83dceade5470288f48f94ce3598ada","status":"affected","lessThan":"e6a973af11135439de32ece3b9cbe3bfc043bea8","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/iommufd/selftest.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.2","versionType":"semver"},{"version":"6.6.120","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.64","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.3","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/iommufd/selftest.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/4cc829d61f10c20523fd4085c1546e741a792a97"},{"url":"https://git.kernel.org/stable/c/e6c122cffcbb2e84d321ec8ba0e38ce8e7c10925"},{"url":"https://git.kernel.org/stable/c/b166b8e0a381429fefd9180e67fbc834b3cee82f"},{"url":"https://git.kernel.org/stable/c/e6a973af11135439de32ece3b9cbe3bfc043bea8"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:55:23.921Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.120"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.12.64"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.18.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}