CVE-2025-71122
HIGH severity · CVSS 7.8
7.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/4cc829d61f10c20523fd4085c1546e741a792a97 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/4cc829d61f10c20523fd4085c1546e741a792a97Patch
- https://git.kernel.org/stable/c/b166b8e0a381429fefd9180e67fbc834b3cee82fPatch
- https://git.kernel.org/stable/c/e6a973af11135439de32ece3b9cbe3bfc043bea8Patch
- https://git.kernel.org/stable/c/e6c122cffcbb2e84d321ec8ba0e38ce8e7c10925Patch