Riskcovery

CVE-2025-71122

iommufd/selftest: Check for overflow in IOMMU_TEST_OP_ADD_RESERVED

State
Published
Severity
Not scored
Published
Jan 14, 2026
Updated
May 11, 2026
Reserved
Jan 13, 2026

Read the record on cve.org

Description

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • f4b20bb34c83dceade5470288f48f94ce3598ada to before 4cc829d61f10c20523fd4085c1546e741a792a97Affected
  • f4b20bb34c83dceade5470288f48f94ce3598ada to before e6c122cffcbb2e84d321ec8ba0e38ce8e7c10925Affected
  • f4b20bb34c83dceade5470288f48f94ce3598ada to before b166b8e0a381429fefd9180e67fbc834b3cee82fAffected
  • f4b20bb34c83dceade5470288f48f94ce3598ada to before e6a973af11135439de32ece3b9cbe3bfc043bea8Affected
LinuxLinux
  • 6.2Affected
  • before 6.2Not affected
  • 6.6.120 through 6.6.*Not affected
  • 6.12.64 through 6.12.*Not affected
  • 6.18.3 through 6.18.*Not affected
  • 6.19 and laterNot affected

References

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