CVE-2026-31496

EUVD-2026-24868
In the Linux kernel, the following vulnerability has been resolved:

netfilter: nf_conntrack_expect: skip expectations in other netns via proc

Skip expectations that do not reside in this netns.

Similar to e77e6ff502ea ("netfilter: conntrack: do not dump other netns's
conntrack entries via proc").
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 2%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
2.6.28.1 ≤
𝑥
< 6.1.168
linuxlinux_kernel
6.2 ≤
𝑥
< 6.6.131
linuxlinux_kernel
6.7 ≤
𝑥
< 6.12.80
linuxlinux_kernel
6.13 ≤
𝑥
< 6.18.21
linuxlinux_kernel
6.19 ≤
𝑥
< 6.19.11
linuxlinux_kernel
2.6.28
linuxlinux_kernel
7.0:rc1
linuxlinux_kernel
7.0:rc2
linuxlinux_kernel
7.0:rc3
linuxlinux_kernel
7.0:rc4
linuxlinux_kernel
7.0:rc5
linuxlinux_kernel
7.0:rc6
linuxlinux_kernel
7.0:rc7
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP
V3.1.6 ≤
𝑥
< *
ADP
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP
V3.1.5 ≤
𝑥
< *
ADP
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP
V3.1.6 ≤
𝑥
< *
ADP
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP
V3.1.5 ≤
𝑥
< *
ADP
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
V3.1.6 ≤
𝑥
< *
ADP
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
V3.1.5 ≤
𝑥
< *
ADP
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
V3.1.6 ≤
𝑥
< *
ADP
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
V3.1.5 ≤
𝑥
< *
ADP
SiemensSIPLUS S7-1500 CPU 1518-4 PN/DP MFP
V3.1.6 ≤
𝑥
< *
ADP
SiemensSIPLUS S7-1500 CPU 1518-4 PN/DP MFP
V3.1.5 ≤
𝑥
< *
ADP
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
6.1.176-1
fixed
bookworm (security)
6.1.177-1
fixed
bullseye
vulnerable
bullseye (security)
vulnerable
forky
7.1.3-1
fixed
sid
7.1.4-1
fixed
trixie
6.12.94-1
fixed
trixie (security)
6.12.95-1
fixed
linux-6.1
bullseye (security)
6.1.176-1~deb11u1
fixed
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
cluster-md-kmp-default
suse enterprise server 12 SP5
4.12.14-122.310.1
fixed
dlm-kmp-default
suse enterprise server 12 SP5
4.12.14-122.310.1
fixed
gfs2-kmp-default
suse enterprise server 12 SP5
4.12.14-122.310.1
fixed
kernel-64kb
suse enterprise desktop 15 SP7
6.4.0-150700.53.55.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.55.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.55.1
fixed
kernel-default
suse enterprise desktop 15 SP7
6.4.0-150700.53.55.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.55.1
fixed
suse enterprise server 12 SP5
4.12.14-122.310.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.55.1
fixed
kernel-default-base
suse enterprise desktop 15 SP7
6.4.0-150700.53.55.1.150700.17.33.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.55.1.150700.17.33.1
fixed
suse enterprise server 12 SP5
4.12.14-122.310.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.55.1.150700.17.33.1
fixed
kernel-default-man
suse enterprise server 12 SP5
4.12.14-122.310.1
fixed
kernel-obs-build
suse enterprise desktop 15 SP7
6.4.0-150700.53.55.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.55.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.55.1
fixed
kernel-source
suse enterprise desktop 15 SP7
6.4.0-150700.53.55.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.55.1
fixed
suse enterprise server 12 SP5
4.12.14-122.310.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.55.1
fixed
kernel-zfcpdump
suse enterprise desktop 15 SP7
6.4.0-150700.53.55.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.55.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.55.1
fixed
ocfs2-kmp-default
suse enterprise server 12 SP5
4.12.14-122.310.1
fixed
Amazon Linux logo
Amazon Linux Releases
Amazon Package
Release
bpftool
Amazon Linux 2023
1:6.1.168-202.320.amzn2023
fixed
bpftool-debuginfo
Amazon Linux 2023
1:6.1.168-202.320.amzn2023
fixed
bpftool6.12
Amazon Linux 2023
1:6.12.80-105.147.amzn2023
fixed
bpftool6.12-debuginfo
Amazon Linux 2023
1:6.12.80-105.147.amzn2023
fixed
bpftool6.18
Amazon Linux 2023
1:6.18.25-52.107.amzn2023
fixed
bpftool6.18-debuginfo
Amazon Linux 2023
1:6.18.25-52.107.amzn2023
fixed
kernel
Amazon Linux 2023
1:6.1.168-202.320.amzn2023
fixed
kernel-debuginfo
Amazon Linux 2023
1:6.1.168-202.320.amzn2023
fixed
kernel-debuginfo-common-aarch64
Amazon Linux 2023
1:6.1.168-202.320.amzn2023
fixed
kernel-debuginfo-common-x86_64
Amazon Linux 2023
1:6.1.168-202.320.amzn2023
fixed
kernel-devel
Amazon Linux 2023
1:6.1.168-202.320.amzn2023
fixed
kernel-headers
Amazon Linux 2023
1:6.1.168-202.320.amzn2023
fixed
kernel-libbpf
Amazon Linux 2023
1:6.1.168-202.320.amzn2023
fixed
kernel-libbpf-debuginfo
Amazon Linux 2023
1:6.1.168-202.320.amzn2023
fixed
kernel-libbpf-devel
Amazon Linux 2023
1:6.1.168-202.320.amzn2023
fixed
kernel-libbpf-static
Amazon Linux 2023
1:6.1.168-202.320.amzn2023
fixed
kernel-livepatch-6.1.168-202.320
Amazon Linux 2023
1:1.0-0.amzn2023
fixed
kernel-livepatch-6.12.80-105.147
Amazon Linux 2023
1:1.0-0.amzn2023
fixed
kernel-livepatch-6.18.25-52.107
Amazon Linux 2023
1:1.0-0.amzn2023
fixed
kernel-modules-extra
Amazon Linux 2023
1:6.1.168-202.320.amzn2023
fixed
kernel-modules-extra-common
Amazon Linux 2023
1:6.1.168-202.320.amzn2023
fixed
kernel-tools
Amazon Linux 2023
1:6.1.168-202.320.amzn2023
fixed
kernel-tools-debuginfo
Amazon Linux 2023
1:6.1.168-202.320.amzn2023
fixed
kernel-tools-devel
Amazon Linux 2023
1:6.1.168-202.320.amzn2023
fixed
kernel6.12
Amazon Linux 2023
1:6.12.80-105.147.amzn2023
fixed
kernel6.12-debuginfo
Amazon Linux 2023
1:6.12.80-105.147.amzn2023
fixed
kernel6.12-debuginfo-common-aarch64
Amazon Linux 2023
1:6.12.80-105.147.amzn2023
fixed
kernel6.12-debuginfo-common-x86_64
Amazon Linux 2023
1:6.12.80-105.147.amzn2023
fixed
kernel6.12-devel
Amazon Linux 2023
1:6.12.80-105.147.amzn2023
fixed
kernel6.12-headers
Amazon Linux 2023
1:6.12.80-105.147.amzn2023
fixed
kernel6.12-libbpf
Amazon Linux 2023
1:6.12.80-105.147.amzn2023
fixed
kernel6.12-libbpf-debuginfo
Amazon Linux 2023
1:6.12.80-105.147.amzn2023
fixed
kernel6.12-libbpf-devel
Amazon Linux 2023
1:6.12.80-105.147.amzn2023
fixed
kernel6.12-libbpf-static
Amazon Linux 2023
1:6.12.80-105.147.amzn2023
fixed
kernel6.12-modules-extra
Amazon Linux 2023
1:6.12.80-105.147.amzn2023
fixed
kernel6.12-modules-extra-common
Amazon Linux 2023
1:6.12.80-105.147.amzn2023
fixed
kernel6.12-tools
Amazon Linux 2023
1:6.12.80-105.147.amzn2023
fixed
kernel6.12-tools-debuginfo
Amazon Linux 2023
1:6.12.80-105.147.amzn2023
fixed
kernel6.12-tools-devel
Amazon Linux 2023
1:6.12.80-105.147.amzn2023
fixed
kernel6.18
Amazon Linux 2023
1:6.18.25-52.107.amzn2023
fixed
kernel6.18-debuginfo
Amazon Linux 2023
1:6.18.25-52.107.amzn2023
fixed
kernel6.18-debuginfo-common-aarch64
Amazon Linux 2023
1:6.18.25-52.107.amzn2023
fixed
kernel6.18-debuginfo-common-x86_64
Amazon Linux 2023
1:6.18.25-52.107.amzn2023
fixed
kernel6.18-devel
Amazon Linux 2023
1:6.18.25-52.107.amzn2023
fixed
kernel6.18-headers
Amazon Linux 2023
1:6.18.25-52.107.amzn2023
fixed
kernel6.18-modules-extra
Amazon Linux 2023
1:6.18.25-52.107.amzn2023
fixed
kernel6.18-modules-extra-common
Amazon Linux 2023
1:6.18.25-52.107.amzn2023
fixed
kernel6.18-tools
Amazon Linux 2023
1:6.18.25-52.107.amzn2023
fixed
kernel6.18-tools-debuginfo
Amazon Linux 2023
1:6.18.25-52.107.amzn2023
fixed
kernel6.18-tools-devel
Amazon Linux 2023
1:6.18.25-52.107.amzn2023
fixed
perf
Amazon Linux 2023
1:6.1.168-202.320.amzn2023
fixed
perf-debuginfo
Amazon Linux 2023
1:6.1.168-202.320.amzn2023
fixed
perf6.12
Amazon Linux 2023
1:6.12.80-105.147.amzn2023
fixed
perf6.12-debuginfo
Amazon Linux 2023
1:6.12.80-105.147.amzn2023
fixed
perf6.18
Amazon Linux 2023
1:6.18.25-52.107.amzn2023
fixed
perf6.18-debuginfo
Amazon Linux 2023
1:6.18.25-52.107.amzn2023
fixed
python3-perf
Amazon Linux 2023
1:6.1.168-202.320.amzn2023
fixed
python3-perf-debuginfo
Amazon Linux 2023
1:6.1.168-202.320.amzn2023
fixed
python3-perf6.12
Amazon Linux 2023
1:6.12.80-105.147.amzn2023
fixed
python3-perf6.12-debuginfo
Amazon Linux 2023
1:6.12.80-105.147.amzn2023
fixed
python3-perf6.18
Amazon Linux 2023
1:6.18.25-52.107.amzn2023
fixed
python3-perf6.18-debuginfo
Amazon Linux 2023
1:6.18.25-52.107.amzn2023
fixed
Azure Linux logo
Azure Linux Releases
Azure Package
Release
kernel
Azure Linux 3.0
0:6.6.134.1-2.azl3
fixed
References
https://git.kernel.org/stable/c/168145c87444619e3e649322bbe7719ecd00d411
https://git.kernel.org/stable/c/2028405ea6987b4448784e439413202cfe19f43f
https://git.kernel.org/stable/c/3265ad619987cb551edaf797ed056d80ac450225
https://git.kernel.org/stable/c/3db5647984de03d9cae0dcddb509b058351f0ee4
https://git.kernel.org/stable/c/9ca8c7452493d915f9bbf2f39331e6c583d07a23
https://git.kernel.org/stable/c/dcfcd95b3ae7683e8ae55c92284b3430ce614bc7
https://cert-portal.siemens.com/productcert/html/ssa-019113.html
https://cert-portal.siemens.com/productcert/html/ssa-082556.html