Unrated severityNVD Advisory· Published Nov 12, 2025· Updated Apr 15, 2026
CVE-2025-40202
CVE-2025-40202
Description
In the Linux kernel, the following vulnerability has been resolved:
ipmi: Rework user message limit handling
The limit on the number of user messages had a number of issues, improper counting in some cases and a use after free.
Restructure how this is all done to handle more in the receive message allocation routine, so all refcouting and user message limit counts are done in that routine. It's a lot cleaner and safer.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
100- osv-coords99 versionspkg:linux/kernelpkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2016.0pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSSpkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2016.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-livepatch-SLE15-SP6_Update_20&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg:rpm/suse/kernel-livepatch-SLE15-SP7-RT_Update_9&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7pkg:rpm/suse/kernel-livepatch-SLE15-SP7_Update_9&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6pkg:rpm/suse/kernel-obs-qa&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-obs-qa&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSSpkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0
>= 5.19.0, < 6.1.157+ 98 more
- (no CPE)range: >= 5.19.0, < 6.1.157
- (no CPE)range: < 6.4.0-150600.23.87.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.23.87.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.23.87.1
- (no CPE)range: < 6.4.0-150600.23.87.1.150600.12.40.1
- (no CPE)range: < 6.12.0-160000.8.1.160000.2.5
- (no CPE)range: < 6.4.0-150600.23.87.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.23.87.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.23.87.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.23.87.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.23.87.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.23.87.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.23.87.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.23.87.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.4.0-150600.23.87.1
- (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: < 6.4.0-150700.20.27.1
- (no CPE)range: < 6.4.0-150700.53.31.1.150700.17.21.1
- (no CPE)range: < 6.4.0-150600.23.87.1.150600.12.40.1
- (no CPE)range: < 6.12.0-160000.8.1.160000.2.5
- (no CPE)range: < 6.4.0-150600.23.87.1.150600.12.40.1
- (no CPE)range: < 6.12.0-160000.8.1.160000.2.5
- (no CPE)range: < 6.4.0-39.1.21.16
- (no CPE)range: < 6.4.0-39.1.21.16
- (no CPE)range: < 6.12.0-160000.8.1.160000.2.5
- (no CPE)range: < 6.4.0-150600.23.87.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.23.87.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.4.0-150600.23.87.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.23.87.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (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: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.4.0-150600.23.87.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.23.87.1
- (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: < 6.4.0-39.1
- (no CPE)range: < 6.4.0-39.1
- (no CPE)range: < 1-150600.13.3.1
- (no CPE)range: < 1-150700.1.3.2
- (no CPE)range: < 1-150700.15.3.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.4.0-150600.23.87.1
- (no CPE)range: < 6.4.0-150600.23.87.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-40.1
- (no CPE)range: < 6.4.0-40.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150700.7.31.2
- (no CPE)range: < 6.4.0-150700.20.27.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.4.0-150600.23.87.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.23.87.1
- (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: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-40.1
- (no CPE)range: < 6.4.0-40.1
- (no CPE)range: < 6.4.0-150700.7.31.1
- (no CPE)range: < 6.4.0-150700.20.27.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.4.0-150600.23.87.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150600.23.87.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.4.0-150700.7.31.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.4.0-150600.23.87.1
- (no CPE)range: < 6.12.0-160000.8.1
- (no CPE)range: < 6.12.0-160000.8.1
Patches
Vulnerability mechanics
References
5- git.kernel.org/stable/c/0ed73be9a2547ffb9b5c1d879ad9bfab73d920b5nvd
- git.kernel.org/stable/c/348121b29594d42d1635648fd3ed31dfa25351d5nvd
- git.kernel.org/stable/c/53d6e403affbf6df2c859a0ea00ccfc1e72090canvd
- git.kernel.org/stable/c/b52da4054ee0bf9ecb44996f2c83236ff50b3812nvd
- git.kernel.org/stable/c/f63723ca7d7623f9dae1990973cd158671f03c56nvd
News mentions
0No linked articles in our index yet.