vfio/platform: check the bounds of read/write syscalls
count and offset are passed from user space and not checked, only
offset is capped to 40 bits, which can be used to read/write out of
bounds of the device.
Metrics
Affected Vendors & Products
| Source | ID | Title | 
|---|---|---|
  Debian DLA | 
                DLA-4075-1 | linux security update | 
  Debian DLA | 
                DLA-4076-1 | linux-6.1 security update | 
  EUVD | 
                EUVD-2025-2636 | In the Linux kernel, the following vulnerability has been resolved: vfio/platform: check the bounds of read/write syscalls count and offset are passed from user space and not checked, only offset is capped to 40 bits, which can be used to read/write out of bounds of the device. | 
  Ubuntu USN | 
                USN-7387-1 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7387-2 | Linux kernel (FIPS) vulnerabilities | 
  Ubuntu USN | 
                USN-7387-3 | Linux kernel (Real-time) vulnerabilities | 
  Ubuntu USN | 
                USN-7388-1 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7389-1 | Linux kernel (NVIDIA Tegra) vulnerabilities | 
  Ubuntu USN | 
                USN-7390-1 | Linux kernel (Xilinx ZynqMP) vulnerabilities | 
  Ubuntu USN | 
                USN-7391-1 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7392-1 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7392-2 | Linux kernel vulnerabilities | 
  Ubuntu USN | 
                USN-7392-3 | Linux kernel (AWS) vulnerabilities | 
  Ubuntu USN | 
                USN-7392-4 | Linux kernel (AWS FIPS) vulnerabilities | 
  Ubuntu USN | 
                USN-7393-1 | Linux kernel (FIPS) vulnerabilities | 
  Ubuntu USN | 
                USN-7401-1 | Linux kernel (AWS) vulnerabilities | 
  Ubuntu USN | 
                USN-7407-1 | Linux kernel (HWE) vulnerabilities | 
  Ubuntu USN | 
                USN-7413-1 | Linux kernel (IoT) vulnerabilities | 
  Ubuntu USN | 
                USN-7421-1 | Linux kernel (Azure) vulnerabilities | 
  Ubuntu USN | 
                USN-7458-1 | Linux kernel (IBM) vulnerabilities | 
  Ubuntu USN | 
                USN-7459-1 | Linux kernel (Intel IoTG) vulnerabilities | 
  Ubuntu USN | 
                USN-7459-2 | Linux kernel (GCP) vulnerabilities | 
  Ubuntu USN | 
                USN-7463-1 | Linux kernel (IBM) vulnerabilities | 
  Ubuntu USN | 
                USN-7539-1 | Linux kernel (Raspberry Pi) vulnerabilities | 
  Ubuntu USN | 
                USN-7540-1 | Linux kernel (Raspberry Pi) vulnerabilities | 
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
Mon, 03 Nov 2025 21:30:00 +0000
| Type | Values Removed | Values Added | 
|---|---|---|
| References | 
         | 
Thu, 13 Mar 2025 12:30:00 +0000
| Type | Values Removed | Values Added | 
|---|---|---|
| References | 
         | 
Fri, 21 Feb 2025 17:15:00 +0000
| Type | Values Removed | Values Added | 
|---|---|---|
| First Time appeared | 
        
        Linux
         Linux linux Kernel  | 
|
| Weaknesses | CWE-125 CWE-787  | 
|
| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.13:-:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.13:rc3:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.13:rc4:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.13:rc5:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.13:rc6:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.13:rc7:*:*:*:*:*:*  | 
|
| Vendors & Products | 
        
        Linux
         Linux linux Kernel  | 
|
| Metrics | 
        
        
        cvssV3_1
         
  | 
    
        
        
        cvssV3_1
         
  | 
Fri, 21 Feb 2025 14:45:00 +0000
| Type | Values Removed | Values Added | 
|---|---|---|
| References | 
         | 
Fri, 21 Feb 2025 14:00:00 +0000
| Type | Values Removed | Values Added | 
|---|---|---|
| References | 
         | 
Mon, 17 Feb 2025 12:00:00 +0000
| Type | Values Removed | Values Added | 
|---|---|---|
| References | 
         | 
Wed, 12 Feb 2025 13:45:00 +0000
| Type | Values Removed | Values Added | 
|---|---|---|
| References | 
         | |
| Metrics | 
        
        
        threat_severity
         
  | 
    
        
        cvssV3_1
         
 
  | 
Mon, 10 Feb 2025 16:15:00 +0000
| Type | Values Removed | Values Added | 
|---|---|---|
| Description | In the Linux kernel, the following vulnerability has been resolved: vfio/platform: check the bounds of read/write syscalls count and offset are passed from user space and not checked, only offset is capped to 40 bits, which can be used to read/write out of bounds of the device. | |
| Title | vfio/platform: check the bounds of read/write syscalls | |
| References | 
         | 
        
  | 
Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2025-11-03T20:59:05.163Z
Reserved: 2024-12-29T08:45:45.741Z
Link: CVE-2025-21687
No data.
Status : Modified
Published: 2025-02-10T16:15:38.207
Modified: 2025-11-03T21:19:07.560
Link: CVE-2025-21687
                        OpenCVE Enrichment
                    No data.
 Debian DLA
 EUVD
 Ubuntu USN