How severe is CVE-2024-57255?

CVE-2024-57255 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over physical access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-57255 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-57255?

CVE-2024-57255 affects Denx U-boot. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-57255?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-57255 have an EU (EUVD) identifier?

Yes. CVE-2024-57255 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4768.

When was CVE-2024-57255 published?

CVE-2024-57255 was published on 2025-02-18 and last updated on 2026-06-17.

CVE-2024-57255

CVE-2024-57255 is a high-severity vulnerability in Denx U-boot with a CVSS 3.x base score of 7.1. 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-190.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-4768
Weakness: CWE-190
Affected product: Denx U-boot
Published: 2025-02-18
Last modified: 2026-06-17

Description

An integer overflow in sqfs_resolve_symlink in Das U-Boot before 2025.01-rc1 occurs via a crafted squashfs filesystem with an inode size of 0xffffffff, resulting in a malloc of zero and resultant memory overwrite.

Frequently asked questions

What is CVE-2024-57255?: An integer overflow in sqfs_resolve_symlink in Das U-Boot before 2025.01-rc1 occurs via a crafted squashfs filesystem with an inode size of 0xffffffff, resulting in a malloc of zero and resultant memory overwrite.
How severe is CVE-2024-57255?: CVE-2024-57255 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over physical access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-57255 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-57255?: CVE-2024-57255 affects Denx U-boot. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-57255?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-57255 have an EU (EUVD) identifier?: Yes. CVE-2024-57255 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4768.
When was CVE-2024-57255 published?: CVE-2024-57255 was published on 2025-02-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:*

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CVE-2019-14203 — Critical (CVSS 9.8): An issue was discovered in Das U-Boot through 2019.07. There is a stack-based buffer overflow in this nfs_handler reply…
CVE-2019-14202 — Critical (CVSS 9.8): An issue was discovered in Das U-Boot through 2019.07. There is a stack-based buffer overflow in this nfs_handler reply…

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