Unrated severityNVD Advisory· Published Oct 28, 2025· Updated Apr 15, 2026

CVE-2025-40074

Description

In the Linux kernel, the following vulnerability has been resolved:

ipv4: start using dst_dev_rcu()

Change icmpv4_xrlim_allow(), ip_defrag() to prevent possible UAF.

Change ipmr_prepare_xmit(), ipmr_queue_fwd_xmit(), ip_mr_output(), ipv4_neigh_lookup() to use lockdep enabled dst_dev_rcu().

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

114

Linux/Kernelllm-fuzzy
osv-coords113 versions
pkg:linux/kernel pkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-rt_debug&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-source-azure&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-source-longterm&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-source-rt&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-syms-azure&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/kernel-syms-rt&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2016.0 pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6 pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7 pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0 pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Micro%206.2 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP6 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP7 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2016.0 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP6 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP7 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP6 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP7 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.2 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0 pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0 pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-livepatch-SLE15-SP6-RT_Update_18&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6 pkg:rpm/suse/kernel-livepatch-SLE15-SP6_Update_18&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6 pkg:rpm/suse/kernel-livepatch-SLE15-SP7-RT_Update_7&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7 pkg:rpm/suse/kernel-livepatch-SLE15-SP7_Update_7&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7 pkg:rpm/suse/kernel-obs-qa&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/kernel-obs-qa&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP6 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.2 pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6 pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.2 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0
>= 4.13.0, < 6.17.3+ 112 more
- (no CPE)range: >= 4.13.0, < 6.17.3
- (no CPE)range: < 6.4.0-150600.23.81.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.23.81.3
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.8.58.1
- (no CPE)range: < 6.4.0-150600.23.81.3
- (no CPE)range: < 6.4.0-150600.23.81.3.150600.12.36.3
- (no CPE)range: < 6.12.0-160000.8.1.160000.2.5
- (no CPE)range: < 6.4.0-150600.23.81.3
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.23.81.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.23.81.3
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.23.81.3
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.23.81.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.10.61.1
- (no CPE)range: < 6.4.0-150600.10.61.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.8.58.1
- (no CPE)range: < 6.4.0-150600.23.81.2
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.17.7-1.1
- (no CPE)range: < 6.18.16-1.1
- (no CPE)range: < 6.4.0-150600.10.61.1
- (no CPE)range: < 6.4.0-150600.8.58.1
- (no CPE)range: < 6.4.0-150600.23.81.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.10.61.1
- (no CPE)range: < 6.4.0-150600.23.81.3
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.23.81.3
- (no CPE)range: < 6.4.0-150700.53.25.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.8.58.1
- (no CPE)range: < 6.4.0-150700.20.21.1
- (no CPE)range: < 6.4.0-150600.23.81.3.150600.12.36.3
- (no CPE)range: < 6.4.0-150700.53.25.1.150700.17.17.1
- (no CPE)range: < 6.12.0-160000.8.1.160000.2.5
- (no CPE)range: < 6.12.0-160000.8.1.160000.2.5
- (no CPE)range: < 6.4.0-38.1.21.15
- (no CPE)range: < 6.4.0-38.1.21.15
- (no CPE)range: < 6.12.0-160000.8.1.160000.2.5
- (no CPE)range: < 6.4.0-150600.23.81.3
- (no CPE)range: < 6.4.0-150700.53.25.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.23.81.3
- (no CPE)range: < 6.4.0-150700.53.25.1
- (no CPE)range: < 6.4.0-150600.23.81.3
- (no CPE)range: < 6.4.0-150700.53.25.1
- (no CPE)range: < 6.4.0-150600.23.81.3
- (no CPE)range: < 6.4.0-150700.53.25.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.23.81.3
- (no CPE)range: < 6.4.0-150700.53.25.1
- (no CPE)range: < 6.4.0-38.1
- (no CPE)range: < 6.4.0-38.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.23.81.1
- (no CPE)range: < 6.4.0-150700.53.25.2
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-38.1
- (no CPE)range: < 6.4.0-38.1
- (no CPE)range: < 1-150600.1.3.1
- (no CPE)range: < 1-150600.13.3.3
- (no CPE)range: < 1-150700.1.3.1
- (no CPE)range: < 1-150700.15.3.1
- (no CPE)range: < 6.4.0-150600.23.81.3
- (no CPE)range: < 6.4.0-150700.53.25.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.10.61.1
- (no CPE)range: < 6.4.0-39.1
- (no CPE)range: < 6.4.0-39.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.10.61.1
- (no CPE)range: < 6.4.0-150700.7.25.1
- (no CPE)range: < 6.4.0-150600.8.58.1
- (no CPE)range: < 6.4.0-150700.20.21.1
- (no CPE)range: < 6.4.0-150600.23.81.2
- (no CPE)range: < 6.4.0-150700.53.25.1
- (no CPE)range: < 6.4.0-150600.23.81.2
- (no CPE)range: < 6.4.0-150700.53.25.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-38.1
- (no CPE)range: < 6.4.0-38.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-39.1
- (no CPE)range: < 6.4.0-39.1
- (no CPE)range: < 6.4.0-150600.10.61.1
- (no CPE)range: < 6.4.0-150700.7.25.1
- (no CPE)range: < 6.4.0-150600.8.58.1
- (no CPE)range: < 6.4.0-150700.20.21.1
- (no CPE)range: < 6.4.0-150600.23.81.1
- (no CPE)range: < 6.4.0-150700.53.25.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.10.61.1
- (no CPE)range: < 6.4.0-150700.7.25.1
- (no CPE)range: < 6.4.0-150600.23.81.3
- (no CPE)range: < 6.4.0-150700.53.25.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.12.0-160000.8.1

cvss	0.000
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000

CVE-2025-40074

Description

AI Insight

Affected products

Patches

Vulnerability mechanics

References

News mentions