Unrated severityNVD Advisory· Published Dec 16, 2025· Updated Apr 15, 2026
CVE-2025-68238
CVE-2025-68238
Description
In the Linux kernel, the following vulnerability has been resolved:
mtd: rawnand: cadence: fix DMA device NULL pointer dereference
The DMA device pointer dma_dev was being dereferenced before ensuring that cdns_ctrl->dmac is properly initialized.
Move the assignment of dma_dev after successfully acquiring the DMA channel to ensure the pointer is valid before use.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
104- osv-coords102 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%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-azure&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg: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_19&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg:rpm/suse/kernel-livepatch-SLE15-SP7-RT_Update_8&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7pkg:rpm/suse/kernel-livepatch-SLE15-SP7_Update_8&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
< 5.10.247+ 101 more
- (no CPE)range: < 5.10.247
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.4.0-150600.23.84.1.150600.12.38.1
- (no CPE)range: < 6.12.0-160000.9.1.160000.2.6
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.4.0-150700.53.28.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.4.0-150700.20.24.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.4.0-150700.53.28.1.150700.17.19.1
- (no CPE)range: < 6.4.0-150600.23.84.1.150600.12.38.1
- (no CPE)range: < 6.12.0-160000.9.1.160000.2.6
- (no CPE)range: < 6.4.0-150600.23.84.1.150600.12.38.1
- (no CPE)range: < 6.12.0-160000.9.1.160000.2.6
- (no CPE)range: < 6.4.0-39.1.21.16
- (no CPE)range: < 6.4.0-39.1.21.16
- (no CPE)range: < 6.12.0-160000.9.1.160000.2.6
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.4.0-150700.53.28.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.4.0-150700.53.28.1
- (no CPE)range: < 6.4.0-150700.53.28.1
- (no CPE)range: < 6.4.0-150700.53.28.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.4.0-150700.53.28.1
- (no CPE)range: < 6.4.0-39.1
- (no CPE)range: < 6.4.0-39.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.4.0-150700.53.28.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (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: < 1-150700.1.3.1
- (no CPE)range: < 1-150700.15.3.1
- (no CPE)range: < 6.4.0-150700.53.28.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.4.0-40.1
- (no CPE)range: < 6.4.0-40.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.4.0-150700.7.28.1
- (no CPE)range: < 6.4.0-150700.20.24.1
- (no CPE)range: < 6.4.0-150700.53.28.1
- (no CPE)range: < 6.4.0-150700.53.28.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.4.0-39.1
- (no CPE)range: < 6.4.0-39.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.4.0-40.1
- (no CPE)range: < 6.4.0-40.1
- (no CPE)range: < 6.4.0-150700.7.28.1
- (no CPE)range: < 6.4.0-150700.20.24.1
- (no CPE)range: < 6.4.0-150700.53.28.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.4.0-150700.7.28.1
- (no CPE)range: < 6.4.0-150700.53.28.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.12.0-160000.9.1
- (no CPE)range: < 6.12.0-160000.9.1
Patches
Vulnerability mechanics
References
7- git.kernel.org/stable/c/0c2a43cb43786011b48eeab6093db14888258c6bnvd
- git.kernel.org/stable/c/0c635241a62f2f5da1b48bfffae226d1f86a76efnvd
- git.kernel.org/stable/c/2178b0255eae108bb10e5e99658b28641bc06f43nvd
- git.kernel.org/stable/c/5c56bf214af85ca042bf97f8584aab2151035840nvd
- git.kernel.org/stable/c/9c58c64ec41290c12490ca7e1df45013fbbb41fdnvd
- git.kernel.org/stable/c/b146e0b085d9d6bfe838e0a15481cba7d093c67fnvd
- git.kernel.org/stable/c/e282a4fdf3c6ee842a720010a8b5f7d77bedd126nvd
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