What’s Vulnerable › Vulnerabilities

CVE-2025-38425: i2c: tegra: check msg length in SMBUS block read

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-25 · updated 2026-07-30

Description

In the Linux kernel, the following vulnerability has been resolved: i2c: tegra: check msg length in SMBUS block read For SMBUS block read, do not continue to read if the message length passed from the device is '0' or greater than the maximum allowed bytes.

Affected products

• Debian Linux: 11.0
• Linux kernel: before 6.1.142; from 6.2 before 6.6.95; from 6.7 before 6.12.35; from 6.13 before 6.15.4 — fixed in 6.1.142, 6.12.35, 6.15.4, 6.6.95

How to fix

Upgrade to a fixed version: Linux kernel 6.1.142, 6.12.35, 6.15.4, 6.6.95. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/3f03f77ce688d02da284174e1884b6065d6159bd
• https://git.kernel.org/stable/c/75a864f21ceeb8c1e8ce1b7589174fec2c3a039e
• https://git.kernel.org/stable/c/a6e04f05ce0b070ab39d5775580e65c7d943da0b
• https://git.kernel.org/stable/c/be5f6a65509cd5675362f15eb0440fb28b0f9d64
• https://git.kernel.org/stable/c/c39d1a9ae4ad66afcecab124d7789722bfe909fa
• https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html

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