CVE-2025-71122

HIGH

Linux Kernel 6.2.0-6.5.99 - Denial of Service via IOMMUFD Test Overflow

Title source: llm
STIX 2.1

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

CVSS v3 7.8
EPSS 0.0002
EPSS Percentile 6.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (16)
linux/Kernel 6.13.0 - 6.18.3linux
linux/Kernel 6.2.0 - 6.6.120linux
linux/Kernel 6.7.0 - 6.12.64linux
Linux/Linux < 6.2
Linux/Linux 6.12.64 - 6.12.*
Linux/Linux 6.18.3 - 6.18.*
Linux/Linux 6.19
Linux/Linux 6.2
Linux/Linux 6.6.120 - 6.6.*
Linux/Linux f4b20bb34c83dceade5470288f48f94ce3598ada - 4cc829d61f10c20523fd4085c1546e741a792a97
... and 6 more
Published Jan 14, 2026
Tracked Since Feb 18, 2026