CVE-2025-39823

EUVD-2025-29591
In the Linux kernel, the following vulnerability has been resolved:

KVM: x86: use array_index_nospec with indices that come from guest

min and dest_id are guest-controlled indices. Using array_index_nospec()
after the bounds checks clamps these values to mitigate speculative execution
side-channels.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
siemens-SADPADP
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
Base Score
CVSS 3.x
EPSS Score
Percentile: 5%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
4.19 ≤
𝑥
< 5.4.298
linuxlinux_kernel
5.5 ≤
𝑥
< 5.10.242
linuxlinux_kernel
5.11 ≤
𝑥
< 5.15.191
linuxlinux_kernel
5.16 ≤
𝑥
< 6.1.150
linuxlinux_kernel
6.2 ≤
𝑥
< 6.6.104
linuxlinux_kernel
6.7 ≤
𝑥
< 6.12.45
linuxlinux_kernel
6.13 ≤
𝑥
< 6.16.5
linuxlinux_kernel
6.17:rc1
linuxlinux_kernel
6.17:rc2
linuxlinux_kernel
6.17:rc3
debiandebian_linux
11.0
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
SiemensSIMATIC CN 4100
𝑥
< V5.0
ADP
siemenssimatic_cn_4100
𝑥
< 5.0
ADP
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
6.1.170-3
fixed
bookworm (security)
6.1.172-1
fixed
bullseye
vulnerable
bullseye (security)
5.10.251-5
fixed
forky
7.0.7-1
fixed
sid
7.0.7-1
fixed
trixie
6.12.86-1
fixed
trixie (security)
6.12.88-1
fixed
linux-6.1
bullseye (security)
6.1.172-1~deb11u1
fixed
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
cluster-md-kmp-default
suse enterprise server 15 SP5
5.14.21-150500.55.124.1
fixed
dlm-kmp-default
suse enterprise server 15 SP5
5.14.21-150500.55.124.1
fixed
gfs2-kmp-default
suse enterprise server 15 SP5
5.14.21-150500.55.124.1
fixed
kernel-64kb
suse enterprise desktop 15 SP6
6.4.0-150600.23.73.1
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.19.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.73.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.19.1
fixed
suse enterprise server 15 SP3
5.3.18-150300.59.221.1
fixed
suse enterprise server 15 SP4
5.14.21-150400.24.179.1
fixed
suse enterprise server 15 SP5
5.14.21-150500.55.124.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.73.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.19.1
fixed
kernel-azure
suse enterprise sap 15 SP6
6.4.0-150600.8.52.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.20.15.2
fixed
suse enterprise server 15 SP6
6.4.0-150600.8.52.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.20.15.2
fixed
kernel-default
suse enterprise desktop 15 SP6
6.4.0-150600.23.73.1
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.19.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.73.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.19.1
fixed
suse enterprise server 15 SP2
5.3.18-150200.24.242.1
fixed
suse enterprise server 15 SP3
5.3.18-150300.59.221.1
fixed
suse enterprise server 15 SP4
5.14.21-150400.24.179.1
fixed
suse enterprise server 15 SP5
5.14.21-150500.55.124.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.73.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.19.1
fixed
kernel-default-base
suse enterprise desktop 15 SP6
6.4.0-150600.23.73.1.150600.12.32.1
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.19.1.150700.17.13.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.73.1.150600.12.32.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.19.1.150700.17.13.1
fixed
suse enterprise server 15 SP2
5.3.18-150200.24.242.1.150200.9.131.4
fixed
suse enterprise server 15 SP3
5.3.18-150300.59.221.1.150300.18.132.1
fixed
suse enterprise server 15 SP4
5.14.21-150400.24.179.1.150400.24.92.1
fixed
suse enterprise server 15 SP5
5.14.21-150500.55.124.1.150500.6.59.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.73.1.150600.12.32.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.19.1.150700.17.13.1
fixed
kernel-docs
suse enterprise desktop 15 SP6
6.4.0-150600.23.73.1
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.19.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.73.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.19.1
fixed
suse enterprise server 15 SP2
5.3.18-150200.24.242.1
fixed
suse enterprise server 15 SP3
5.3.18-150300.59.221.1
fixed
suse enterprise server 15 SP4
5.14.21-150400.24.179.1
fixed
suse enterprise server 15 SP5
5.14.21-150500.55.124.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.73.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.19.1
fixed
kernel-macros
suse enterprise desktop 15 SP6
6.4.0-150600.23.73.1
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.19.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.73.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.19.1
fixed
suse enterprise server 15 SP2
5.3.18-150200.24.242.1
fixed
suse enterprise server 15 SP3
5.3.18-150300.59.221.1
fixed
suse enterprise server 15 SP4
5.14.21-150400.24.179.1
fixed
suse enterprise server 15 SP5
5.14.21-150500.55.124.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.73.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.19.1
fixed
kernel-obs-build
suse enterprise desktop 15 SP6
6.4.0-150600.23.73.1
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.19.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.73.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.19.1
fixed
suse enterprise server 15 SP2
5.3.18-150200.24.242.1
fixed
suse enterprise server 15 SP3
5.3.18-150300.59.221.1
fixed
suse enterprise server 15 SP4
5.14.21-150400.24.179.1
fixed
suse enterprise server 15 SP5
5.14.21-150500.55.124.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.73.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.19.1
fixed
kernel-preempt
suse enterprise server 15 SP2
5.3.18-150200.24.242.1
fixed
suse enterprise server 15 SP3
5.3.18-150300.59.221.1
fixed
kernel-source
suse enterprise desktop 15 SP6
6.4.0-150600.23.73.1
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.19.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.73.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.19.1
fixed
suse enterprise server 15 SP2
5.3.18-150200.24.242.1
fixed
suse enterprise server 15 SP3
5.3.18-150300.59.221.1
fixed
suse enterprise server 15 SP4
5.14.21-150400.24.179.1
fixed
suse enterprise server 15 SP5
5.14.21-150500.55.124.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.73.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.19.1
fixed
kernel-source-azure
suse enterprise sap 15 SP6
6.4.0-150600.8.52.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.20.15.2
fixed
suse enterprise server 15 SP6
6.4.0-150600.8.52.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.20.15.2
fixed
kernel-syms
suse enterprise desktop 15 SP6
6.4.0-150600.23.73.1
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.19.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.73.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.19.1
fixed
suse enterprise server 15 SP2
5.3.18-150200.24.242.1
fixed
suse enterprise server 15 SP3
5.3.18-150300.59.221.1
fixed
suse enterprise server 15 SP4
5.14.21-150400.24.179.1
fixed
suse enterprise server 15 SP5
5.14.21-150500.55.124.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.73.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.19.1
fixed
kernel-syms-azure
suse enterprise sap 15 SP6
6.4.0-150600.8.52.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.20.15.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.8.52.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.20.15.1
fixed
kernel-zfcpdump
suse enterprise desktop 15 SP6
6.4.0-150600.23.73.1
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.19.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.73.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.19.1
fixed
suse enterprise server 15 SP3
5.3.18-150300.59.221.1
fixed
suse enterprise server 15 SP4
5.14.21-150400.24.179.1
fixed
suse enterprise server 15 SP5
5.14.21-150500.55.124.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.73.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.19.1
fixed
ocfs2-kmp-default
suse enterprise server 15 SP5
5.14.21-150500.55.124.1
fixed
reiserfs-kmp-default
suse enterprise server 15 SP2
5.3.18-150200.24.242.1
fixed
suse enterprise server 15 SP3
5.3.18-150300.59.221.1
fixed
suse enterprise server 15 SP4
5.14.21-150400.24.179.1
fixed
suse enterprise server 15 SP5
5.14.21-150500.55.124.1
fixed
Common Weakness Enumeration
References
https://git.kernel.org/stable/c/31a0ad2f60cb4816e06218b63e695eb72ce74974
https://git.kernel.org/stable/c/33e974c2d5a82b2f9d9ba0ad9cbaabc1c8e3985f
https://git.kernel.org/stable/c/67a05679621b7f721bdba37a5d18665d3aceb695
https://git.kernel.org/stable/c/72777fc31aa7ab2ce00f44bfa3929c6eabbeaf48
https://git.kernel.org/stable/c/c87bd4dd43a624109c3cc42d843138378a7f4548
https://git.kernel.org/stable/c/d51e381beed5e2f50f85f49f6c90e023754efa12
https://git.kernel.org/stable/c/f49161646e03d107ce81a99c6ca5da682fe5fb69
https://git.kernel.org/stable/c/f57a4bd8d6cb5af05b8ac1be9098e249034639fb
https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
https://cert-portal.siemens.com/productcert/html/ssa-032379.html