CVE-2025-71122

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.

Score

CVSS 3.1 7.8 High

Status

Analyzed - 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Published

2026-01-14

Last modified

2026-05-11

Affected products

• Linux Kernel (Linux)

References

• https://git.kernel.org/stable/c/4cc829d61f10c20523fd4085c1546e741a792a97
• https://git.kernel.org/stable/c/b166b8e0a381429fefd9180e67fbc834b3cee82f
• https://git.kernel.org/stable/c/e6a973af11135439de32ece3b9cbe3bfc043bea8
• https://git.kernel.org/stable/c/e6c122cffcbb2e84d321ec8ba0e38ce8e7c10925