SB2024062168 - Out-of-bounds read in Linux kernel char tpm driver



SB2024062168 - Out-of-bounds read in Linux kernel char tpm driver

Published: June 21, 2024 Updated: May 13, 2025

Security Bulletin ID SB2024062168
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2024-36477)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to an out-of-bounds read error within the tpm_tis_spi_write_bytes() function in drivers/char/tpm/tpm_tis_spi_main.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.