CVE-2025-40114Improper Validation of Array Index in Linux

Severity
7.8HIGHNVD
OSV7.1OSV5.9
EPSS
0.1%
top 79.51%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedApr 18
Latest updateJan 9

Description

In the Linux kernel, the following vulnerability has been resolved: iio: light: Add check for array bounds in veml6075_read_int_time_ms The array contains only 5 elements, but the index calculated by veml6075_read_int_time_index can range from 0 to 7, which could lead to out-of-bounds access. The check prevents this issue. Coverity Issue CID 1574309: (#1 of 1): Out-of-bounds read (OVERRUN) overrun-local: Overrunning array veml6075_it_ms of 5 4-byte elements at element index 7 (byte offset 31)

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages5 packages

NVDlinux/linux_kernel6.86.12.23+2
Debianlinux/linux_kernel< 6.12.25-1+1
Ubuntulinux/linux_kernel< 6.8.0-86.87+1
CVEListV5linux/linux3b82f43238aecd73464aeacc9c734070795115337a40b52d4442178bee0cf1c36bc450ab951cef0f+4
debiandebian/linux< linux 6.12.25-1 (forky)

Patches

🔴Vulnerability Details

19
OSV
linux-azure-nvidia vulnerabilities2026-01-09
OSV
linux-azure-fips vulnerabilities2025-12-17
OSV
linux-raspi vulnerabilities2025-11-25
OSV
linux-raspi-realtime vulnerabilities2025-11-24
OSV
linux-aws-6.8 vulnerabilities2025-11-12

📋Vendor Advisories

18
Ubuntu
Linux kernel (Azure, N-Series) vulnerabilities2026-01-09
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities2025-12-17
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities2025-11-25
Ubuntu
Linux kernel (Raspberry Pi Real-time) vulnerabilities2025-11-24
Ubuntu
Linux kernel (AWS) vulnerabilities2025-11-12
CVE-2025-40114 — Improper Validation of Array Index | cvebase