CVE-2026-23391

EUVD-2026-15392
In the Linux kernel, the following vulnerability has been resolved:

netfilter: xt_CT: drop pending enqueued packets on template removal

Templates refer to objects that can go away while packets are sitting in
nfqueue refer to:

- helper, this can be an issue on module removal.
- timeout policy, nfnetlink_cttimeout might remove it.

The use of templates with zone and event cache filter are safe, since
this just copies values.

Flush these enqueued packets in case the template rule gets removed.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
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: 2%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
3.4.1 ≤
𝑥
< 5.10.253
linuxlinux_kernel
5.11 ≤
𝑥
< 5.15.203
linuxlinux_kernel
5.16 ≤
𝑥
< 6.1.167
linuxlinux_kernel
6.2 ≤
𝑥
< 6.6.130
linuxlinux_kernel
6.7 ≤
𝑥
< 6.12.78
linuxlinux_kernel
6.13 ≤
𝑥
< 6.18.20
linuxlinux_kernel
6.19 ≤
𝑥
< 6.19.10
linuxlinux_kernel
3.4
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
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
6.1.170-3
fixed
bookworm (security)
6.1.174-1
fixed
bullseye
vulnerable
bullseye (security)
5.10.257-1
fixed
forky
7.0.12-2
fixed
sid
7.0.13-1
fixed
trixie
6.12.86-1
fixed
trixie (security)
6.12.94-1
fixed
linux-6.1
bullseye (security)
6.1.174-1~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
1:6.12.79-101.147.amzn2023
fixed
bpftool6.12-debuginfo
Amazon Linux 2023
1:6.12.79-101.147.amzn2023
fixed
bpftool6.18
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
bpftool6.18-debuginfo
Amazon Linux 2023
1:6.18.20-20.229.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-6.12.79-101.147
Amazon Linux 2023
1:1.0-0.amzn2023
fixed
kernel-livepatch-6.18.20-20.229
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
1:6.12.79-101.147.amzn2023
fixed
kernel6.12-debuginfo
Amazon Linux 2023
1:6.12.79-101.147.amzn2023
fixed
kernel6.12-debuginfo-common-aarch64
Amazon Linux 2023
1:6.12.79-101.147.amzn2023
fixed
kernel6.12-debuginfo-common-x86_64
Amazon Linux 2023
1:6.12.79-101.147.amzn2023
fixed
kernel6.12-devel
Amazon Linux 2023
1:6.12.79-101.147.amzn2023
fixed
kernel6.12-headers
Amazon Linux 2023
1:6.12.79-101.147.amzn2023
fixed
kernel6.12-libbpf
Amazon Linux 2023
1:6.12.79-101.147.amzn2023
fixed
kernel6.12-libbpf-debuginfo
Amazon Linux 2023
1:6.12.79-101.147.amzn2023
fixed
kernel6.12-libbpf-devel
Amazon Linux 2023
1:6.12.79-101.147.amzn2023
fixed
kernel6.12-libbpf-static
Amazon Linux 2023
1:6.12.79-101.147.amzn2023
fixed
kernel6.12-modules-extra
Amazon Linux 2023
1:6.12.79-101.147.amzn2023
fixed
kernel6.12-modules-extra-common
Amazon Linux 2023
1:6.12.79-101.147.amzn2023
fixed
kernel6.12-tools
Amazon Linux 2023
1:6.12.79-101.147.amzn2023
fixed
kernel6.12-tools-debuginfo
Amazon Linux 2023
1:6.12.79-101.147.amzn2023
fixed
kernel6.12-tools-devel
Amazon Linux 2023
1:6.12.79-101.147.amzn2023
fixed
kernel6.18
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel6.18-debuginfo
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel6.18-debuginfo-common-aarch64
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel6.18-debuginfo-common-x86_64
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel6.18-devel
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel6.18-headers
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel6.18-libbpf
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel6.18-libbpf-debuginfo
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel6.18-libbpf-devel
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel6.18-libbpf-static
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel6.18-modules-extra
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel6.18-modules-extra-common
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel6.18-tools
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel6.18-tools-debuginfo
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
kernel6.18-tools-devel
Amazon Linux 2023
1:6.18.20-20.229.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
1:6.12.79-101.147.amzn2023
fixed
perf6.12-debuginfo
Amazon Linux 2023
1:6.12.79-101.147.amzn2023
fixed
perf6.18
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
perf6.18-debuginfo
Amazon Linux 2023
1:6.18.20-20.229.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
1:6.12.79-101.147.amzn2023
fixed
python3-perf6.12-debuginfo
Amazon Linux 2023
1:6.12.79-101.147.amzn2023
fixed
python3-perf6.18
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
python3-perf6.18-debuginfo
Amazon Linux 2023
1:6.18.20-20.229.amzn2023
fixed
Azure Linux logo
Azure Linux Releases
Azure Package
Release
kernel
Azure Linux 3.0
0:6.6.130.1-1.azl3
fixed