SB2024102153 - Secure boot bypass in Renesas R-Car firmware
Published: October 21, 2024
Security Bulletin ID
SB2024102153
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Buffer overflow (CVE-ID: CVE-2024-6564)
CWE-ID: CWE-120 - Buffer overflow
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to bypass secure boot implementation.
The vulnerability exists due to a boundary error in rcar_dev_init. A local user can
trigger a buffer overflow and bypass secure boot protections.
Remediation
Install update from vendor's website.