CVE-2026-31559

EUVD-2026-25452
In the Linux kernel, the following vulnerability has been resolved:

LoongArch: Fix missing NULL checks for kstrdup()

1. Replace "of_find_node_by_path("/")" with "of_root" to avoid multiple
calls to "of_node_put()".

2. Fix a potential kernel oops during early boot when memory allocation
fails while parsing CPU model from device tree.
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: 2.23%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
6.12.43 ≤
𝑥
< 6.12.80
linuxlinux_kernel
6.15.11 ≤
𝑥
< 6.16
linuxlinux_kernel
6.16.2 ≤
𝑥
< 6.17
linuxlinux_kernel
6.17.1 ≤
𝑥
< 6.18.21
linuxlinux_kernel
6.19 ≤
𝑥
< 6.19.11
linuxlinux_kernel
6.17
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
6.1.176-1
fixed
bookworm (security)
6.1.180-1
fixed
bullseye
not-affected
forky
7.1.12-1
fixed
sid
7.1.13-1
fixed
trixie
6.12.94-1
fixed
trixie (security)
6.12.107-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux-gke
focal
ignored
jammy
not-affected
noble
not-affected
questing
dne
resolute
not-affected
linux
bionic
not-affected
focal
not-affected
jammy
not-affected
noble
not-affected
questing
not-affected
resolute
not-affected
trusty
not-affected
xenial
not-affected
linux-allwinner-5.19
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-aws
bionic
not-affected
focal
not-affected
jammy
not-affected
noble
not-affected
questing
not-affected
resolute
not-affected
trusty
not-affected
xenial
not-affected
linux-aws-5.0
bionic
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-aws-5.11
focal
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-aws-5.13
focal
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-aws-5.15
focal
not-affected
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-aws-5.19
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-aws-5.3
bionic
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-aws-5.4
bionic
not-affected
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-aws-5.8
focal
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-aws-6.14
jammy
dne
noble
not-affected
questing
dne
resolute
dne
linux-aws-6.17
jammy
dne
noble
not-affected
questing
dne
resolute
dne
linux-aws-6.2
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-aws-6.5
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-aws-6.8
jammy
not-affected
noble
dne
questing
dne
resolute
dne
linux-aws-fips
bionic
not-affected
focal
not-affected
jammy
not-affected
noble
not-affected
questing
dne
resolute
dne
linux-aws-hwe
jammy
dne
noble
dne
questing
dne
resolute
dne
xenial
not-affected
linux-azure
bionic
ignored
focal
not-affected
jammy
not-affected
noble
not-affected
questing
not-affected
resolute
not-affected
trusty
not-affected
xenial
not-affected
linux-azure-4.15
bionic
not-affected
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-azure-5.11
focal
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-azure-5.13
focal
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-azure-5.15
focal
not-affected
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-azure-5.19
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-azure-5.3
bionic
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-azure-5.4
bionic
not-affected
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-azure-5.8
focal
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-azure-6.11
jammy
dne
noble
ignored
questing
dne
resolute
dne
linux-azure-6.14
jammy
dne
noble
not-affected
questing
dne
resolute
dne
linux-azure-6.17
jammy
dne
noble
not-affected
questing
dne
resolute
dne
linux-azure-6.2
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-azure-6.5
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-azure-6.8
jammy
not-affected
noble
dne
questing
dne
resolute
dne
linux-azure-edge
bionic
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-azure-fde
focal
ignored
jammy
not-affected
noble
not-affected
questing
not-affected
resolute
not-affected
linux-azure-fde-5.15
focal
not-affected
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-azure-fde-5.19
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-azure-fde-6.14
jammy
dne
noble
not-affected
questing
dne
resolute
dne
linux-azure-fde-6.17
jammy
dne
noble
not-affected
questing
dne
resolute
dne
linux-azure-fde-6.2
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-azure-fde-6.8
jammy
not-affected
noble
dne
questing
dne
resolute
dne
linux-azure-fips
bionic
not-affected
focal
not-affected
jammy
not-affected
noble
not-affected
questing
dne
resolute
dne
linux-azure-nvidia
jammy
dne
noble
not-affected
questing
dne
resolute
dne
linux-azure-nvidia-6.14
jammy
dne
noble
not-affected
questing
dne
resolute
dne
linux-bluefield
focal
not-affected
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-fips
bionic
not-affected
focal
not-affected
jammy
not-affected
noble
not-affected
questing
dne
resolute
dne
xenial
not-affected
linux-gcp
bionic
ignored
focal
not-affected
jammy
not-affected
noble
not-affected
questing
not-affected
resolute
not-affected
xenial
not-affected
linux-gcp-4.15
bionic
not-affected
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-gcp-5.11
focal
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-gcp-5.13
focal
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-gcp-5.15
focal
not-affected
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-gcp-5.19
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-gcp-5.3
bionic
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-gcp-5.4
bionic
not-affected
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-gcp-5.8
focal
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-gcp-6.11
jammy
dne
noble
ignored
questing
dne
resolute
dne
linux-gcp-6.14
jammy
dne
noble
not-affected
questing
dne
resolute
dne
linux-gcp-6.17
jammy
dne
noble
not-affected
questing
dne
resolute
dne
linux-gcp-6.2
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-gcp-6.5
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-gcp-6.8
jammy
not-affected
noble
dne
questing
dne
resolute
dne
linux-gcp-fips
bionic
not-affected
focal
not-affected
jammy
not-affected
noble
not-affected
questing
dne
resolute
dne
linux-gke-4.15
bionic
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-gke-5.15
focal
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-gke-5.4
bionic
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-gkeop
focal
ignored
jammy
not-affected
noble
not-affected
questing
dne
resolute
dne
linux-gkeop-5.15
focal
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-gkeop-5.4
bionic
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-hwe
bionic
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
xenial
not-affected
linux-hwe-5.11
focal
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-hwe-5.13
focal
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-hwe-5.15
focal
not-affected
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-hwe-5.19
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-hwe-5.4
bionic
not-affected
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-hwe-5.8
focal
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-hwe-6.11
jammy
dne
noble
ignored
questing
dne
resolute
dne
linux-hwe-6.14
jammy
dne
noble
not-affected
questing
dne
resolute
dne
linux-hwe-6.17
jammy
dne
noble
not-affected
questing
dne
resolute
dne
linux-hwe-6.2
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-hwe-6.5
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-hwe-6.8
jammy
not-affected
noble
dne
questing
dne
resolute
dne
linux-hwe-edge
bionic
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
xenial
ignored
linux-ibm
focal
not-affected
jammy
not-affected
noble
not-affected
questing
dne
resolute
not-affected
linux-ibm-5.15
focal
not-affected
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-ibm-5.4
bionic
not-affected
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-ibm-6.8
jammy
not-affected
noble
dne
questing
dne
resolute
dne
linux-intel-5.13
focal
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-intel-iot-realtime
jammy
not-affected
noble
dne
questing
dne
resolute
dne
linux-intel-iotg
jammy
not-affected
noble
dne
questing
dne
resolute
dne
linux-intel-iotg-5.15
focal
not-affected
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-iot
focal
not-affected
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-kvm
bionic
not-affected
focal
not-affected
jammy
not-affected
noble
dne
questing
dne
resolute
dne
xenial
not-affected
linux-lowlatency
jammy
not-affected
noble
not-affected
questing
dne
resolute
dne
linux-lowlatency-hwe-5.15
focal
not-affected
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-lowlatency-hwe-5.19
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-lowlatency-hwe-6.11
jammy
dne
noble
ignored
questing
dne
resolute
dne
linux-lowlatency-hwe-6.2
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-lowlatency-hwe-6.5
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-lowlatency-hwe-6.8
jammy
not-affected
noble
dne
questing
dne
resolute
dne
linux-lts-xenial
jammy
dne
noble
dne
questing
dne
resolute
dne
trusty
not-affected
linux-nvidia
jammy
not-affected
noble
not-affected
questing
dne
resolute
not-affected
linux-nvidia-6.11
jammy
dne
noble
ignored
questing
dne
resolute
dne
linux-nvidia-6.2
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-nvidia-6.5
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-nvidia-6.8
jammy
not-affected
noble
dne
questing
dne
resolute
dne
linux-nvidia-lowlatency
jammy
dne
noble
not-affected
questing
dne
resolute
dne
linux-nvidia-tegra
jammy
not-affected
noble
not-affected
questing
dne
resolute
dne
linux-nvidia-tegra-5.15
focal
not-affected
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-nvidia-tegra-igx
jammy
not-affected
noble
dne
questing
dne
resolute
dne
linux-oem
bionic
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-oem-5.10
focal
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-oem-5.13
focal
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-oem-5.14
focal
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-oem-5.17
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-oem-5.6
focal
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-oem-6.0
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-oem-6.1
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-oem-6.11
jammy
dne
noble
ignored
questing
dne
resolute
dne
linux-oem-6.14
jammy
dne
noble
not-affected
questing
dne
resolute
dne
linux-oem-6.17
jammy
dne
noble
not-affected
questing
dne
resolute
dne
linux-oem-6.5
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-oem-6.8
jammy
dne
noble
ignored
questing
dne
resolute
dne
linux-oracle
bionic
not-affected
focal
not-affected
jammy
not-affected
noble
not-affected
questing
not-affected
resolute
not-affected
xenial
not-affected
linux-oracle-5.0
bionic
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-oracle-5.11
focal
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-oracle-5.13
focal
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-oracle-5.15
focal
not-affected
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-oracle-5.3
bionic
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-oracle-5.4
bionic
not-affected
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-oracle-5.8
focal
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-oracle-6.14
jammy
dne
noble
not-affected
questing
dne
resolute
dne
linux-oracle-6.17
jammy
dne
noble
not-affected
questing
dne
resolute
dne
linux-oracle-6.5
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-oracle-6.8
jammy
not-affected
noble
dne
questing
dne
resolute
dne
linux-raspi
focal
not-affected
jammy
not-affected
noble
not-affected
questing
not-affected
resolute
not-affected
linux-raspi-5.4
bionic
not-affected
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-raspi-realtime
jammy
dne
noble
not-affected
questing
dne
resolute
dne
linux-raspi2
focal
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-realtime
jammy
not-affected
noble
not-affected
questing
not-affected
resolute
not-affected
linux-realtime-6.14
jammy
dne
noble
not-affected
questing
dne
resolute
dne
linux-realtime-6.17
jammy
dne
noble
not-affected
questing
dne
resolute
dne
linux-realtime-6.8
jammy
not-affected
noble
dne
questing
dne
resolute
dne
linux-riscv
focal
ignored
jammy
ignored
noble
ignored
questing
not-affected
resolute
not-affected
linux-riscv-5.11
focal
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-riscv-5.15
focal
not-affected
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-riscv-5.19
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-riscv-5.8
focal
ignored
jammy
dne
noble
dne
questing
dne
resolute
dne
linux-riscv-6.14
jammy
dne
noble
ignored
questing
dne
resolute
dne
linux-riscv-6.17
jammy
dne
noble
not-affected
questing
dne
resolute
dne
linux-riscv-6.5
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-riscv-6.8
jammy
not-affected
noble
dne
questing
dne
resolute
dne
linux-starfive-5.19
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-starfive-6.2
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-starfive-6.5
jammy
ignored
noble
dne
questing
dne
resolute
dne
linux-xilinx
jammy
dne
noble
not-affected
questing
dne
resolute
dne
linux-xilinx-zynqmp
focal
not-affected
jammy
not-affected
noble
dne
questing
dne
resolute
dne
Common Weakness Enumeration
References
https://git.kernel.org/stable/c/3a28daa9b7d7c2ddf2c722e9e95d7e0928bf0cd1
https://git.kernel.org/stable/c/5e7fde2c551f86e6c3de3fd7a9b1f52806ac8db0
https://git.kernel.org/stable/c/a1da957c25cf751a2dce8fb7777f82ccbac0cb3e
https://git.kernel.org/stable/c/b61a309743322fb57fb9afa9aa3495ac758e4f5e