PT-2025-37963 · Linux+4 · Linux Kernel+4
Published
2025-08-03
·
Updated
2026-03-17
·
CVE-2025-39818
CVSS v3.1
7.8
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel versions prior to 6.16.0+ #3
Description
The Linux kernel contained a flaw in the intel-thc-hid module related to incorrect pointer arithmetic when saving I2C registers. This improper use of a secondary pointer led to a kernel crash and an out-of-bounds write error, specifically a KASAN (Kernel Address Sanitizer) slab-out-of-bounds error during a
regmap bulk read operation. The issue stemmed from using an incorrect pointer, causing access to memory outside the allocated region. The vulnerability was addressed by replacing the pointer arithmetic with direct array indexing to ensure safe memory access.Recommendations
Update to Linux kernel version 6.16.0+ #3 or later to resolve this issue.
Exploit
Fix
Out of bounds Read
Improper Validation of Array Index
Memory Corruption
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Related Identifiers
Affected Products
Astra Linux
Linuxmint
Linux Kernel
Ubuntu
Intel-Thc-Hid