CVE-2025-21687

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
LinuxCNA
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 3%
VendorProductVersion
linuxlinux_kernel
4.1 ≤
𝑥
< 5.4.290
linuxlinux_kernel
5.5 ≤
𝑥
< 5.10.234
linuxlinux_kernel
5.11 ≤
𝑥
< 5.15.178
linuxlinux_kernel
5.16 ≤
𝑥
< 6.1.128
linuxlinux_kernel
6.2 ≤
𝑥
< 6.6.75
linuxlinux_kernel
6.7 ≤
𝑥
< 6.12.12
linuxlinux_kernel
6.13
linuxlinux_kernel
6.13:rc1
linuxlinux_kernel
6.13:rc2
linuxlinux_kernel
6.13:rc3
linuxlinux_kernel
6.13:rc4
linuxlinux_kernel
6.13:rc5
linuxlinux_kernel
6.13:rc6
linuxlinux_kernel
6.13:rc7
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bullseye
vulnerable
bullseye (security)
5.10.234-1
fixed
bookworm
6.1.129-1
fixed
bookworm (security)
6.1.128-1
fixed
trixie
6.12.20-1
fixed
sid
6.12.21-1
fixed
linux-6.1
bullseye (security)
6.1.129-1~deb11u1
fixed