U-Boot 8.4 improper access control for volatile memory containing boot code
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.5 | $0-$5k | 0.00 |
Summary
A vulnerability was found in U-Boot 8.4. It has been classified as critical. Affected by this issue is some unknown functionality. The manipulation leads to improper access control for volatile memory containing boot code. This vulnerability is documented as CVE-2025-24857. The attack needs to be performed locally. There is not any exploit available. Upgrading the affected component is recommended.
Details
A vulnerability was found in U-Boot 8.4. It has been rated as critical. This issue affects an unknown code block. The manipulation with an unknown input leads to a improper access control for volatile memory containing boot code vulnerability. Using CWE to declare the problem leads to CWE-1274. The product conducts a secure-boot process that transfers bootloader code from Non-Volatile Memory (NVM) into Volatile Memory (VM), but it does not have sufficient access control or other protections for the Volatile Memory. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
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.
The advisory is shared at cisa.gov. The identification of this vulnerability is CVE-2025-24857. The exploitation is known to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available.
Upgrading eliminates this vulnerability.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.7VulDB Meta Temp Score: 7.5
VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 7.6
CNA Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Improper access control for volatile memory containing boot codeCWE: CWE-1274 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Physical: Yes
Local: Yes
Remote: No
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Timeline
12/09/2025 Advisory disclosed12/09/2025 VulDB entry created
12/11/2025 VulDB entry last update
Sources
Advisory: icsa-25-343-01Status: Confirmed
CVE: CVE-2025-24857 (🔒)
GCVE (CVE): GCVE-0-2025-24857
GCVE (VulDB): GCVE-100-335501
Entry
Created: 12/09/2025 19:51Updated: 12/11/2025 12:39
Changes: 12/09/2025 19:51 (49), 12/11/2025 12:39 (11)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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