CVE-2024-6285: Integer Underflow in Memory Range Check in Renesas RCAR

Severity: medium (CVSS 6.7 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: 2024-06-24 · updated 2026-06-17
Weakness: CWE-191

Description

Integer Underflow (Wrap or Wraparound) vulnerability in Renesas arm-trusted-firmware. An integer underflow in image range check calculations could lead to bypassing address restrictions and loading of images to unallowed addresses.

Affected products

Renesas Rcar Gen3: v2.5

References

https://asrg.io/security-advisories/cve-2024-6285/
https://github.com/renesas-rcar/arm-trusted-firmware/commit/b596f580637bae919b0ac3a5471422a1f756db3b
https://asrg.io/security-advisories/cve-2024-6285/
https://github.com/renesas-rcar/arm-trusted-firmware/commit/b596f580637bae919b0ac3a5471422a1f756db3b

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