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High severity7.8NVD Advisory· Published Jan 14, 2026· Updated Jun 17, 2026

CVE-2025-71122

CVE-2025-71122

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.

Affected products

13
  • Linux/Kernel12 versions
    cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 11 more
    • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=6.2.1,<6.6.120
    • cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.19:rc7:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.19:rc8:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.2:-:*:*:*:*:*:*
    • (no CPE)
    • (no CPE)range: 6.2
  • osv-coords
    pkg:linux/kernel
    Range: >= 6.2.0, < 6.6.120

Patches

Vulnerability mechanics

References

4

News mentions

0

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