Vulnerability · Published Jul 8, 2024 · Assigned by ASRG
CVE-2024-6564Buffer overflow in Rensas RCAR
Medium 6.7
In plain English
A medium-severity buffer overflow in rcar_gen3_v2.5 from Renesas. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.7Medium
Exploit odds (30 days)0.2%top 87.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Buffer overflow in "rcar_dev_init" due to using due to using untrusted data (rcar_image_number) as a loop counter before verifying it against RCAR_MAX_BL3X_IMAGE. This could lead to a full bypass of secure boot.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | arm-trusted-firmware | no fix listed | DEBIAN-CVE-2024-6564 |
| Debian:13 | arm-trusted-firmware | 2.12.0+dfsg-2 | DEBIAN-CVE-2024-6564 |
| Debian:14 | arm-trusted-firmware | 2.12.0+dfsg-2 | DEBIAN-CVE-2024-6564 |
| Ubuntu:22.04:LTS | arm-trusted-firmware | no fix listed | UBUNTU-CVE-2024-6564 |
| Ubuntu:24.04:LTS | arm-trusted-firmware | no fix listed | UBUNTU-CVE-2024-6564 |
| Ubuntu:25.10 | arm-trusted-firmware | no fix listed | UBUNTU-CVE-2024-6564 |
| Ubuntu:26.04:LTS | arm-trusted-firmware | no fix listed | UBUNTU-CVE-2024-6564 |
| Ubuntu:26.10 | arm-trusted-firmware | no fix listed | UBUNTU-CVE-2024-6564 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Renesas | rcar_gen3_v2.5 | c2f286820471ed276c57e603762bd831873e5a17 – through c9fb3558410032d2660c7f3b7d4b87dec09fe2f2 |
Weakness: CWE-120 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H