How severe is CVE-2024-6564?

CVE-2024-6564 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-6564 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-6564?

CVE-2024-6564 affects Renesas Arm-trusted-firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-6564?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-6564 have an EU (EUVD) identifier?

Yes. CVE-2024-6564 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-47636.

When was CVE-2024-6564 published?

CVE-2024-6564 was published on 2024-07-08 and last updated on 2026-06-17.

CVE-2024-6564

CVE-2024-6564 is a medium-severity vulnerability in Renesas Arm-trusted-firmware with a CVSS 3.x base score of 6.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-47636
Weakness: CWE-120
Affected product: Renesas Arm-trusted-firmware
Published: 2024-07-08
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2024-6564?: 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.
How severe is CVE-2024-6564?: CVE-2024-6564 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-6564 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-6564?: CVE-2024-6564 affects Renesas Arm-trusted-firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-6564?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-6564 have an EU (EUVD) identifier?: Yes. CVE-2024-6564 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-47636.
When was CVE-2024-6564 published?: CVE-2024-6564 was published on 2024-07-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:renesas:arm-trusted-firmware:-:*:*:*:*:*:*:*

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