CVE-2024-6564: Buffer overflow in Rensas RCAR
Buffer overflow in "rcardevinit" due to using due to using untrusted data (rcarimagenumber) as a loop counter before verifying it against RCARMAXBL3XIMAGE. This could lead to a full bypass of secure boot.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2024-6564?
CVE-2024-6564 is considered a critical vulnerability due to its potential to bypass secure boot.
How do I fix CVE-2024-6564?
Fixing CVE-2024-6564 involves updating the Renesas arm-trusted firmware to the latest version that addresses the buffer overflow issue.
What impact does CVE-2024-6564 have on system security?
CVE-2024-6564 may allow unauthorized access to system resources, compromising the integrity of the secure boot process.
Which software is affected by CVE-2024-6564?
CVE-2024-6564 affects the Renesas arm-trusted firmware, particularly in versions that utilize the vulnerable rcar_dev_init function.
How does the buffer overflow in CVE-2024-6564 occur?
The buffer overflow in CVE-2024-6564 occurs when untrusted data is used as a loop counter without proper validation against the RCAR_MAX_BL3X_IMAGE limit.