PT-2025-6060 · Linux+7 · Linux Kernel+7
Mostafa Saleh
·
Published
2025-01-22
·
Updated
2026-04-20
·
CVE-2025-21687
CVSS v3.1
7.8
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
The issue concerns the Linux kernel, specifically the vfio/platform component, where the bounds of read/write syscalls are not properly checked. The
count and offset variables are passed from user space without being validated, except that offset is capped at 40 bits. This limitation can be exploited to read or write beyond the device's boundaries.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Memory Corruption
Buffer Overflow
Out of bounds Read
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Related Identifiers
Affected Products
Alt Linux
Astra Linux
Debian
Linuxmint
Linux Kernel
Red Os
Suse
Ubuntu