Linux Kernel up to 6.14.3/6.15-rc1 virtio prepare_fb privilege escalation

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.4 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as problematic has been discovered in Linux Kernel up to 6.14.3/6.15-rc1. The affected element is the function prepare_fb of the component virtio. Such manipulation leads to an unknown weakness.
This vulnerability is listed as CVE-2025-37762. There is no available exploit.
It is advisable to upgrade the affected component.
Details
A vulnerability was found in Linux Kernel up to 6.14.3/6.15-rc1. It has been rated as problematic. Affected by this issue is the function prepare_fb of the component virtio. The impact remains unknown. CVE summarizes:
In the Linux kernel, the following vulnerability has been resolved: drm/virtio: Fix missed dmabuf unpinning in error path of prepare_fb() Correct error handling in prepare_fb() to fix leaking resources when error happens.
The advisory is available at git.kernel.org. This vulnerability is handled as CVE-2025-37762 since 04/16/2025. Technical details are known, but there is no available exploit.
The vulnerability scanner Nessus provides a plugin with the ID 240657 (Ubuntu 25.04 : Linux kernel vulnerabilities (USN-7594-1)), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 6.14.4 or 6.15-rc2 eliminates this vulnerability. Applying the patch fe983e925bf7062d7b975357afcbc77bb7f354d8/395cc80051f8da267b27496a4029dd931a198855 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.
The vulnerability is also documented in the vulnerability database at Tenable (240657). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.4
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Privilege escalationCWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Nessus ID: 240657
Nessus Name: Ubuntu 25.04 : Linux kernel vulnerabilities (USN-7594-1)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Kernel 6.14.4/6.15-rc2
Patch: fe983e925bf7062d7b975357afcbc77bb7f354d8/395cc80051f8da267b27496a4029dd931a198855
Timeline
04/16/2025 🔍05/01/2025 🔍
05/01/2025 🔍
11/07/2025 🔍
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
CVE: CVE-2025-37762 (🔍)
GCVE (CVE): GCVE-0-2025-37762
GCVE (VulDB): GCVE-100-306818
Entry
Created: 05/01/2025 15:28Updated: 11/07/2025 10:04
Changes: 05/01/2025 15:28 (57), 06/28/2025 13:52 (2), 11/07/2025 10:04 (11)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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