CVE-2025-39680

HIGH

Linux Kernel 6.13-6.16.3 - Out-of-bounds Read in I2C RTL9300 SMBus Transfer

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: i2c: rtl9300: Fix out-of-bounds bug in rtl9300_i2c_smbus_xfer The data->block[0] variable comes from user. Without proper check, the variable may be very large to cause an out-of-bounds bug. Fix this bug by checking the value of data->block[0] first. 1. commit 39244cc75482 ("i2c: ismt: Fix an out-of-bounds bug in ismt_access()") 2. commit 92fbb6d1296f ("i2c: xgene-slimpro: Fix out-of-bounds bug in xgene_slimpro_i2c_xfer()")

Scores

CVSS v3 7.1
EPSS 0.0014
EPSS Percentile 3.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Details

CWE
CWE-125
Status published
Products (9)
linux/Kernel 6.13.0 - 6.16.4linux
Linux/Linux < 6.13
Linux/Linux 6.13
Linux/Linux 6.16.4 - 6.16.*
Linux/Linux 6.17
Linux/Linux c366be720235301fdadf67e6f1ea6ff32669c074 - 071e43fcba5ddd9a7813e6cc0aa10299eae41b21
Linux/Linux c366be720235301fdadf67e6f1ea6ff32669c074 - 57f312b955938fc4663f430cb57a71f2414f601b
linux/linux_kernel 6.17 rc1 (2 CPE variants)
linux/linux_kernel 6.13 - 6.16.4
Published Sep 05, 2025
Tracked Since Feb 18, 2026