CVE-2026-31670

EUVD-2026-25563
In the Linux kernel, the following vulnerability has been resolved:

net: rfkill: prevent unlimited numbers of rfkill events from being created

Userspace can create an unlimited number of rfkill events if the system
is so configured, while not consuming them from the rfkill file
descriptor, causing a potential out of memory situation.  Prevent this
from bounding the number of pending rfkill events at a "large" number
(i.e. 1000) to prevent abuses like this.
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
2.6.31.1 ≤
𝑥
< 5.10.253
linuxlinux_kernel
5.11 ≤
𝑥
< 5.15.203
linuxlinux_kernel
5.16 ≤
𝑥
< 6.1.169
linuxlinux_kernel
6.2 ≤
𝑥
< 6.6.135
linuxlinux_kernel
6.7 ≤
𝑥
< 6.12.82
linuxlinux_kernel
6.13 ≤
𝑥
< 6.18.23
linuxlinux_kernel
6.19 ≤
𝑥
< 6.19.13
linuxlinux_kernel
2.6.31
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)
5.10.259-1
fixed
forky
7.1.3-1
fixed
sid
7.1.4-1
fixed
trixie
6.12.94-1
fixed
trixie (security)
6.12.96-1
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
4.12.14-122.320.1
fixed
dlm-kmp-default
suse enterprise server 12 SP5
4.12.14-122.320.1
fixed
gfs2-kmp-default
suse enterprise server 12 SP5
4.12.14-122.320.1
fixed
kernel-64kb
suse enterprise desktop 15 SP7
6.4.0-150700.53.66.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.66.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.66.1
fixed
kernel-default
suse enterprise desktop 15 SP7
6.4.0-150700.53.66.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.66.1
fixed
suse enterprise server 12 SP5
4.12.14-122.320.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.66.1
fixed
kernel-default-base
suse enterprise desktop 15 SP7
6.4.0-150700.53.66.1.150700.17.39.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.66.1.150700.17.39.1
fixed
suse enterprise server 12 SP5
4.12.14-122.320.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.66.1.150700.17.39.1
fixed
kernel-default-man
suse enterprise server 12 SP5
4.12.14-122.320.1
fixed
kernel-obs-build
suse enterprise desktop 15 SP7
6.4.0-150700.53.66.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.66.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.66.1
fixed
kernel-source
suse enterprise desktop 15 SP7
6.4.0-150700.53.66.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.66.1
fixed
suse enterprise server 12 SP5
4.12.14-122.320.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.66.1
fixed
kernel-zfcpdump
suse enterprise desktop 15 SP7
6.4.0-150700.53.66.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.66.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.66.1
fixed
ocfs2-kmp-default
suse enterprise server 12 SP5
4.12.14-122.320.1
fixed
Azure Linux logo
Azure Linux Releases
Azure Package
Release
kernel
Azure Linux 3.0
0:6.6.137.1-1.azl3
fixed