CVE-2025-21761

EUVD-2025-5156
In the Linux kernel, the following vulnerability has been resolved:

openvswitch: use RCU protection in ovs_vport_cmd_fill_info()

ovs_vport_cmd_fill_info() can be called without RTNL or RCU.

Use RCU protection and dev_net_rcu() to avoid potential UAF.
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: 3%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
4.15 ≤
𝑥
< 5.4.291
linuxlinux_kernel
5.5 ≤
𝑥
< 5.10.235
linuxlinux_kernel
5.11 ≤
𝑥
< 5.15.179
linuxlinux_kernel
5.16 ≤
𝑥
< 6.1.129
linuxlinux_kernel
6.2 ≤
𝑥
< 6.6.79
linuxlinux_kernel
6.7 ≤
𝑥
< 6.12.16
linuxlinux_kernel
6.13 ≤
𝑥
< 6.13.4
linuxlinux_kernel
6.14:rc1
linuxlinux_kernel
6.14:rc2
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
SiemensSIMATIC S7-1500 TM MFP - GNU\/Linux subsystem
𝑥
< *
ADP
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
7.0.9-1
fixed
sid
7.0.10-1
fixed
trixie
6.12.86-1
fixed
trixie (security)
6.12.90-2
fixed
linux-6.1
bullseye (security)
6.1.174-1~deb11u1
fixed
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
kernel-64kb
suse enterprise desktop 15 SP6
6.4.0-150600.23.47.2
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.47.2
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.47.2
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.3.1
fixed
kernel-azure
suse enterprise sap 15 SP6
6.4.0-150600.8.34.2
fixed
suse enterprise sap 15 SP7
6.4.0-150700.20.3.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.8.34.2
fixed
suse enterprise server 15 SP7
6.4.0-150700.20.3.1
fixed
kernel-default
suse enterprise desktop 15 SP6
6.4.0-150600.23.47.2
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.47.2
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.47.2
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.3.1
fixed
kernel-default-base
suse enterprise desktop 15 SP6
6.4.0-150600.23.47.2.150600.12.20.2
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.3.1.150700.17.2.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.47.2.150600.12.20.2
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.3.1.150700.17.2.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.47.2.150600.12.20.2
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.3.1.150700.17.2.1
fixed
kernel-docs
suse enterprise desktop 15 SP6
6.4.0-150600.23.47.1
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.47.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.47.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.3.1
fixed
kernel-macros
suse enterprise desktop 15 SP6
6.4.0-150600.23.47.2
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.47.2
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.47.2
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.3.1
fixed
kernel-obs-build
suse enterprise desktop 15 SP6
6.4.0-150600.23.47.1
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.47.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.47.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.3.1
fixed
kernel-source
suse enterprise desktop 15 SP6
6.4.0-150600.23.47.2
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.47.2
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.47.2
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.3.1
fixed
kernel-source-azure
suse enterprise sap 15 SP6
6.4.0-150600.8.34.2
fixed
suse enterprise sap 15 SP7
6.4.0-150700.20.3.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.8.34.2
fixed
suse enterprise server 15 SP7
6.4.0-150700.20.3.1
fixed
kernel-syms
suse enterprise desktop 15 SP6
6.4.0-150600.23.47.1
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.47.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.47.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.3.1
fixed
kernel-syms-azure
suse enterprise sap 15 SP6
6.4.0-150600.8.34.1
fixed
suse enterprise sap 15 SP7
6.4.0-150700.20.3.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.8.34.1
fixed
suse enterprise server 15 SP7
6.4.0-150700.20.3.1
fixed
kernel-zfcpdump
suse enterprise desktop 15 SP6
6.4.0-150600.23.47.2
fixed
suse enterprise desktop 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise sap 15 SP6
6.4.0-150600.23.47.2
fixed
suse enterprise sap 15 SP7
6.4.0-150700.53.3.1
fixed
suse enterprise server 15 SP6
6.4.0-150600.23.47.2
fixed
suse enterprise server 15 SP7
6.4.0-150700.53.3.1
fixed