CVE-2025-21687 — Out-of-bounds Read in Linux
Severity
7.8HIGHNVD
OSV5.5
EPSS
0.0%
top 94.41%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedFeb 10
Latest updateMay 28
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9
Affected Packages8 packages
▶CVEListV5linux/linux6e3f264560099869f68830cb14b3b3e71e5ac76a — f21636f24b6786c8b13f1af4319fa75ffcf17f38+12