Unrated severityNVD Advisory· Published Oct 30, 2025· Updated Apr 15, 2026
CVE-2025-40087
CVE-2025-40087
Description
In the Linux kernel, the following vulnerability has been resolved:
NFSD: Define a proc_layoutcommit for the FlexFiles layout type
Avoid a crash if a pNFS client should happen to send a LAYOUTCOMMIT operation on a FlexFiles layout.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
123- osv-coords121 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-azure&distro=openSUSE%20Leap%2015.6pkg: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_debug&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-source-azure&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-source-longterm&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-source-rt&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-syms-azure&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-syms-rt&distro=openSUSE%20Leap%2015.6pkg: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%20SP6pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg: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%20SP6pkg: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%20SP6pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg: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%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%2012%20SP5pkg: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%20SP6pkg: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%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP6pkg: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%20SP6pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg: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-RT_Update_17&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg:rpm/suse/kernel-livepatch-SLE15-SP6_Update_17&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg:rpm/suse/kernel-livepatch-SLE15-SP7-RT_Update_6&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7pkg:rpm/suse/kernel-livepatch-SLE15-SP7_Update_6&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg: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_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg: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%20SP6pkg: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%20SP6pkg: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%20SP6pkg: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%20SP6pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5pkg: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%20SP6pkg: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%20SP6pkg: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%20SP6pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_77&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5
>= 4.8.0, < 5.4.301+ 120 more
- (no CPE)range: >= 4.8.0, < 5.4.301
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.4.0-150600.8.55.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150600.23.78.1.150600.12.34.2
- (no CPE)range: < 6.12.0-160000.6.1.160000.2.4
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.4.0-150600.10.58.1
- (no CPE)range: < 6.4.0-150600.10.58.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.4.0-150600.8.55.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.17.7-1.1
- (no CPE)range: < 6.18.16-1.1
- (no CPE)range: < 6.4.0-150600.10.58.1
- (no CPE)range: < 6.4.0-150600.8.55.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.4.0-150600.10.58.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.4.0-150600.8.55.1
- (no CPE)range: < 6.4.0-150700.20.18.1
- (no CPE)range: < 6.4.0-150600.23.78.1.150600.12.34.2
- (no CPE)range: < 6.4.0-150700.53.22.1.150700.17.15.1
- (no CPE)range: < 6.12.0-160000.6.1.160000.2.4
- (no CPE)range: < 6.12.0-160000.6.1.160000.2.4
- (no CPE)range: < 6.4.0-36.1.21.13
- (no CPE)range: < 6.4.0-36.1.21.13
- (no CPE)range: < 6.12.0-160000.6.1.160000.2.4
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 4.12.14-122.293.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 4.12.14-122.293.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 4.12.14-122.293.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.4.0-36.1
- (no CPE)range: < 6.4.0-36.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.4.0-36.1
- (no CPE)range: < 6.4.0-36.1
- (no CPE)range: < 1-150600.1.3.1
- (no CPE)range: < 1-150600.13.5.1
- (no CPE)range: < 1-150700.1.3.1
- (no CPE)range: < 1-150700.15.3.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.4.0-150600.10.58.1
- (no CPE)range: < 6.4.0-38.1
- (no CPE)range: < 6.4.0-38.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.4.0-150600.10.58.1
- (no CPE)range: < 6.4.0-150700.7.22.1
- (no CPE)range: < 6.4.0-150600.8.55.1
- (no CPE)range: < 6.4.0-150700.20.18.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 4.12.14-122.293.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 4.12.14-122.293.1
- (no CPE)range: < 6.4.0-36.1
- (no CPE)range: < 6.4.0-36.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.4.0-38.1
- (no CPE)range: < 6.4.0-38.1
- (no CPE)range: < 6.4.0-150600.10.58.1
- (no CPE)range: < 6.4.0-150700.7.22.1
- (no CPE)range: < 6.4.0-150600.8.55.1
- (no CPE)range: < 6.4.0-150700.20.18.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 4.12.14-122.293.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 4.12.14-122.293.1
- (no CPE)range: < 6.4.0-150600.10.58.1
- (no CPE)range: < 6.4.0-150700.7.22.1
- (no CPE)range: < 6.4.0-150600.23.78.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 6.12.0-160000.7.1
- (no CPE)range: < 1-8.3.1
Patches
Vulnerability mechanics
References
8- git.kernel.org/stable/c/34d187e020cbda112a6c6f094f0ca5e6a8672b75nvd
- git.kernel.org/stable/c/4b47a8601b71ad98833b447d465592d847b4dc77nvd
- git.kernel.org/stable/c/785ec512afa80d0540f2ca797c0e56de747a6083nvd
- git.kernel.org/stable/c/a156af6a4dc38c2aa7c98e89520a70fb3b3e7df4nvd
- git.kernel.org/stable/c/a75994dd879401c3e24ff51c2536559f1a53ea27nvd
- git.kernel.org/stable/c/ba88a53d7f5df4191583abf214214efe0cda91d2nvd
- git.kernel.org/stable/c/da9129ef77786839a3ccd1d7afeeab790bceaa1dnvd
- git.kernel.org/stable/c/f7353208c91ab004e0179c5fb6c365b0f132f9f0nvd
News mentions
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