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CVE-2026-80696: hwmon: (ltc4282) Fix reading the minimum alarm voltage

• 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: 2026-08-28 · updated 2026-08-29

Description

In the Linux kernel, the following vulnerability has been resolved: hwmon: (ltc4282) Fix reading the minimum alarm voltage Coverity reports an out-of-bounds access when reading the minimum alarm voltage for the VGPIO channel. Add the missing return statement to fix the problem.

Affected products

• Linux kernel: 6.9 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux kernel 7.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/00feb1cce93dab948a299b69753d99c681d45a0b
• https://git.kernel.org/stable/c/08aee6d45eefc9e0b94c21bd442f47b21d64fa2c
• https://git.kernel.org/stable/c/338d655fe09b95a88788c6ac8b1651ca8db9ae51
• https://git.kernel.org/stable/c/a0668ac20feaa3fff9e0c0548556368dbbd2d439

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