Integer Underflow in Memory Range Check in Renesas RCAR

published 2024-06-24 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-47403

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 8%
public exploits: 0; none known

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.

Patch / fix

fixed in 1 links 1

Renesas rcar_gen3_v2.5 b596f580637bae919b0ac3a5471422a1f756db3b

github.com/renesas-rcar/arm-trusted-firmware@b596f58 commit

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-06-24)

Exploit prediction

0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
NVD	3.1	6.7	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

Renesas rcar_gen3_v2.5

Classification

Weakness

CWE-191 Integer Underflow (Wrap or Wraparound)

References

github.com /renesas-rcar/arm-trusted-firmware/commit/b596f580637bae919b0ac3a5471422a1f756db3b
patch
asrg.io /security-advisories/cve-2024-6285/
third-party-advisory

Sources

CVE List CVE-2024-6285
NVD CVE-2024-6285

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary