What’s Vulnerable › Vulnerabilities

CVE-2022-3077

• Severity: medium (CVSS 5.5 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: 2022-09-09 · updated 2026-06-17
• Weakness: CWE-120

Description

A buffer overflow vulnerability was found in the Linux kernel Intel’s iSMT SMBus host controller driver in the way it handled the I2C_SMBUS_BLOCK_PROC_CALL case (via the ioctl I2C_SMBUS) with malicious input data. This flaw could allow a local user to crash the system.

Affected products

• Linux kernel: from 5.11 before 5.19 — fixed in 5.19

How to fix

Upgrade to a fixed version: Linux kernel 5.19. Check the vendor advisory for mitigations.

References

• https://github.com/torvalds/linux/commit/690b2549b19563ec5ad53e5c82f6a944d910086e
• https://github.com/torvalds/linux/commit/690b2549b19563ec5ad53e5c82f6a944d910086e

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