7.6

CVE-2025-24857: denx u-boot Improper Access Control

Analyzed
AliasesUBUNTU-CVE-2025-24857DEBIAN-CVE-2025-24857
Published 10-12-2025Last modified 23-12-2025

Vulnerability summary

CVE-2025-24857 is a high (CVSS 7.6) Improper Access Control vulnerability in denx u-boot. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 18% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.6/10
010
High · v3.1 (CVE.org)
EPSS score
0.27%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 10-12-2025
    PublishedVulnerability first disclosed.
  2. 23-12-2025
    Last modifiedVulnerability information updated.

Description

Improper access control for volatile memory containing boot code in Universal Boot Loader (U-Boot) before 2017.11 and Qualcomm chips IPQ4019, IPQ5018, IPQ5322, IPQ6018, IPQ8064, IPQ8074, and IPQ9574 could allow an attacker to execute arbitrary code.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.27%

Chance of exploitation in the next 30 days

Percentile

18%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.27% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • u-boot< 2017.11+dfsg1-2
Denx1 product
Ubuntu1 product
  • bootAll versions (No fix recorded)

3 vendors · 3 products

References

4 links