Medium severity6.7NVD Advisory· Published Nov 21, 2023· Updated Jun 17, 2026
CVE-2023-6238
CVE-2023-6238
Description
A buffer overflow vulnerability was found in the NVM Express (NVMe) driver in the Linux kernel. Only privileged user could specify a small meta buffer and let the device perform larger Direct Memory Access (DMA) into the same buffer, overwriting unrelated kernel memory, causing random kernel crashes and memory corruption.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
114cpe:/o:redhat:enterprise_linux:6+ 3 more
- cpe:/o:redhat:enterprise_linux:6
- cpe:/o:redhat:enterprise_linux:7
- cpe:/o:redhat:enterprise_linux:8
- cpe:/o:redhat:enterprise_linux:9
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
- osv-coords106 versionspkg:apk/chainguard/hyperv-daemonspkg:apk/chainguard/hyperv-daemons-6.18pkg:apk/chainguard/hyperv-daemons-genericpkg:apk/chainguard/linuxpkg:apk/chainguard/linux-aws-6.12pkg:apk/chainguard/linux-aws-6.12-boot-installedpkg:apk/chainguard/linux-aws-6.12-fips-boot-installedpkg:apk/chainguard/linux-aws-6.12-headerspkg:apk/chainguard/linux-aws-6.12-modulespkg:apk/chainguard/linux-aws-6.18pkg:apk/chainguard/linux-aws-6.18-boot-installedpkg:apk/chainguard/linux-aws-6.18-fips-boot-installedpkg:apk/chainguard/linux-aws-6.18-headerspkg:apk/chainguard/linux-aws-6.18-modulespkg:apk/chainguard/linux-aws-genericpkg:apk/chainguard/linux-aws-generic-boot-configurationpkg:apk/chainguard/linux-aws-generic-boot-installedpkg:apk/chainguard/linux-aws-generic-fips-boot-installedpkg:apk/chainguard/linux-aws-generic-headerspkg:apk/chainguard/linux-aws-generic-modulespkg:apk/chainguard/linux-azure-6.12pkg:apk/chainguard/linux-azure-6.18pkg:apk/chainguard/linux-azure-6.18-boot-installedpkg:apk/chainguard/linux-azure-6.18-fips-boot-installedpkg:apk/chainguard/linux-azure-6.18-headerspkg:apk/chainguard/linux-azure-6.18-modulespkg:apk/chainguard/linux-azure-genericpkg:apk/chainguard/linux-azure-generic-boot-configurationpkg:apk/chainguard/linux-azure-generic-boot-installedpkg:apk/chainguard/linux-azure-generic-fips-boot-installedpkg:apk/chainguard/linux-azure-generic-headerspkg:apk/chainguard/linux-azure-generic-modulespkg:apk/chainguard/linux-boot-configurationpkg:apk/chainguard/linux-boot-installedpkg:apk/chainguard/linux-gcp-6.12pkg:apk/chainguard/linux-gcp-6.18pkg:apk/chainguard/linux-gcp-6.18-boot-installedpkg:apk/chainguard/linux-gcp-6.18-fips-boot-installedpkg:apk/chainguard/linux-gcp-6.18-headerspkg:apk/chainguard/linux-gcp-6.18-modulespkg:apk/chainguard/linux-gcp-genericpkg:apk/chainguard/linux-gcp-generic-boot-installedpkg:apk/chainguard/linux-gcp-generic-fips-boot-installedpkg:apk/chainguard/linux-gcp-generic-headerspkg:apk/chainguard/linux-gcp-generic-modulespkg:apk/chainguard/linux-modulespkg:apk/chainguard/linux-qemu-6.12pkg:apk/chainguard/linux-qemu-6.18pkg:apk/chainguard/linux-qemu-genericpkg:apk/chainguard/linux-qemu-generic-bootc-boot-installedpkg:apk/chainguard/linux-qemu-melangepkg:apk/chainguard/linux-qemu-rcpkg:apk/chainguard/linux-qemu-rc-boot-installedpkg:apk/chainguard/linux-qemu-rc-fips-boot-installedpkg:apk/chainguard/linux-qemu-rc-headerspkg:apk/chainguard/linux-qemu-rc-modulespkg:apk/chainguard/linux-vmware-6.12pkg:apk/chainguard/linux-vmware-6.18pkg:apk/chainguard/linux-vmware-genericpkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-rt_debug&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-source-azure&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-source-rt&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-syms-azure&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-syms-rt&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.6pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-livepatch-SLE15-SP6-RT_Update_1&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg:rpm/suse/kernel-livepatch-SLE15-SP6_Update_1&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6
< 0+ 105 more
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- (no CPE)range: < 6.18.5-r0
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- (no CPE)range: < 6.4.0-150600.23.7.1
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 6.4.0-150600.8.5.4
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 6.4.0-150600.23.7.3.150600.12.2.7
- (no CPE)range: < 6.4.0-150600.23.7.4
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 6.4.0-150600.23.7.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 6.4.0-150600.23.7.2
- (no CPE)range: < 6.4.0-150600.8.5.4
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 6.4.0-150600.23.7.1
- (no CPE)range: < 6.4.0-150600.8.5.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 6.4.0-150600.8.5.4
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 6.4.0-150600.23.7.3
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- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 6.4.0-18.1
- (no CPE)range: < 6.4.0-150600.23.7.3.150600.12.2.7
- (no CPE)range: < 6.4.0-17.1.1.51
- (no CPE)range: < 6.4.0-150600.23.7.4
- (no CPE)range: < 6.4.0-18.1
- (no CPE)range: < 1-150600.1.5.1
- (no CPE)range: < 1-150600.13.3.7
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 6.4.0-9.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 6.4.0-150600.23.7.2
- (no CPE)range: < 6.4.0-150600.23.7.2
- (no CPE)range: < 6.4.0-18.1
- (no CPE)range: < 6.4.0-150600.8.5.4
- (no CPE)range: < 6.4.0-9.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 6.4.0-150600.23.7.1
- (no CPE)range: < 6.4.0-150600.8.5.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 6.4.0-150600.23.7.3
Patches
Vulnerability mechanics
References
2- access.redhat.com/security/cve/CVE-2023-6238nvdThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory
News mentions
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