CVE-2022-3077

Medium

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.

Package Linux Kernel
Published 2022-09-09
Last modified 2025-06-27
CVSS version 3.1
Patch available
Awaiting data

CVSS 3.1 score

5.5

out of 10
Medium
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness type

CWE-120

CVE-2022-3077 is classified as CWE-120

See CWE-120 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2022-3077 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2022-3077?

    CVE-2022-3077 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . CVE-2022-3077 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2022-3077?

    CVE-2022-3077 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H .

  • Is there a patch available for CVE-2022-3077?

    No patch is currently available for CVE-2022-3077. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2022-3077 actively exploited?

    No — CVE-2022-3077 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.