In the Linux kernel, the following vulnerability has been resolved:
mm/page_table_check: fix crash on ZONE_DEVICE
Not all pages may apply to pgtable check. One example is ZONE_DEVICE pages: they map PFNs directly, and they don't allocate page_ext at all even if there's struct page around. One may reference devm_memremap_pages().
When both ZONE_DEVICE and page-table-check enabled, then try to map some dax memories, one can trigger kernel bug constantly now when the kernel was trying to inject some pfn maps on the dax device:
kernel BUG at mm/page_table_check.c:55!
While it's pretty legal to use set_pxx_at() for ZONE_DEVICE pages for page fault resolutions, skip all the checks if page_ext doesn't even exist in pgtable checker, which applies to ZONE_DEVICE but maybe more.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade kernelUpgrade kernel-libbpfUpgrade kernel-libbpf-develUpgrade bpftool-debuginfoUpgrade kernel-livepatch-6.1.96-102.177Upgrade kernel-libbpf-staticUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-modules-extraUpgrade kernel-debuginfoUpgrade kernel-tools-debuginfoUpgrade bpftoolUpgrade python3-perf-debuginfoUpgrade kernel-develUpgrade kernel-modules-extra-commonUpgrade kernel-tools-develUpgrade kernel-toolsUpgrade perfUpgrade kernel-headersUpgrade kernel-debuginfo-common-aarch64Upgrade python3-perfUpgrade perf-debuginfo | Oct 16, 2025 | Jul 12, 2024 |
| Debian | — | Upgrade linux-6.1Upgrade linux | Jul 18, 2024 | Jul 12, 2024 |
| Redhat_linux | — | Upgrade kernelUpgrade kernel-rtNo solution exists | Dec 5, 2024 | Jul 12, 2024 |
| Suse | — | Upgrade kernel-azure-optionalUpgrade kselftests-kmp-azureUpgrade kernel-devel-azureUpgrade dtb-renesasUpgrade gfs2-kmp-rtUpgrade dtb-marvellUpgrade dtb-lgUpgrade dtb-exynosUpgrade ocfs2-kmp-rtUpgrade kernel-syms-azureUpgrade kernel-rt_debugUpgrade ocfs2-kmp-64kbUpgrade kernel-source-rtUpgrade dtb-amlogicUpgrade kernel-docs-htmlUpgrade kernel-macrosUpgrade dtb-broadcomUpgrade kernel-kvmsmall-develUpgrade dlm-kmp-64kbUpgrade kernel-kvmsmallUpgrade dtb-appleUpgrade kernel-default-vdsoUpgrade dtb-freescaleUpgrade reiserfs-kmp-64kbUpgrade kernel-rt-optionalUpgrade dtb-alteraUpgrade kernel-sourceUpgrade gfs2-kmp-64kbUpgrade kernel-64kb-livepatch-develUpgrade kernel-default-extraUpgrade kernel-64kb-optionalUpgrade kernel-kvmsmall-livepatch-develUpgrade reiserfs-kmp-defaultUpgrade kernel-debugUpgrade kernel-rt_debug-develUpgrade dtb-apmUpgrade kernel-default-develUpgrade dtb-hisiliconUpgrade ocfs2-kmp-defaultUpgrade kernel-64kbUpgrade dtb-amazonUpgrade gfs2-kmp-azureUpgrade kernel-symsUpgrade kernel-debug-develUpgrade dtb-amdUpgrade kernel-64kb-develUpgrade kernel-default-livepatchUpgrade kernel-kvmsmall-vdsoUpgrade dtb-caviumUpgrade kernel-azure-livepatch-develUpgrade kernel-zfcpdumpUpgrade kernel-source-azureUpgrade kernel-obs-qaUpgrade cluster-md-kmp-azureUpgrade kselftests-kmp-64kbUpgrade kernel-azure-extraUpgrade kernel-azure-vdsoUpgrade kernel-azure-develUpgrade kernel-docsUpgrade kernel-default-base-rebuildUpgrade kernel-rt_debug-vdsoUpgrade kernel-defaultUpgrade dtb-rockchipUpgrade cluster-md-kmp-rtUpgrade kselftests-kmp-defaultUpgrade kernel-debug-livepatch-develUpgrade kernel-source-vanillaUpgrade reiserfs-kmp-rtUpgrade kernel-rt-extraUpgrade kernel-rt-develUpgrade kernel-default-baseUpgrade kernel-obs-buildUpgrade gfs2-kmp-defaultUpgrade dtb-sprdUpgrade dtb-qcomUpgrade dtb-mediatekUpgrade dtb-armUpgrade dlm-kmp-rtUpgrade dlm-kmp-azureUpgrade cluster-md-kmp-defaultUpgrade dtb-xilinxUpgrade kernel-develUpgrade kselftests-kmp-rtUpgrade ocfs2-kmp-azureUpgrade kernel-default-livepatch-develUpgrade kernel-devel-rtUpgrade dtb-socionextUpgrade kernel-syms-rtUpgrade kernel-rtUpgrade kernel-64kb-extraUpgrade kernel-default-optionalUpgrade kernel-rt_debug-livepatch-develUpgrade dlm-kmp-defaultUpgrade kernel-rt-vdsoUpgrade dtb-nvidiaUpgrade kernel-rt-livepatch-develUpgrade kernel-debug-vdsoUpgrade kernel-azureUpgrade dtb-allwinnerUpgrade cluster-md-kmp-64kbUpgrade reiserfs-kmp-azure | Aug 8, 2024 | Jul 12, 2024 |
| Ubuntu | — | Upgrade linux-image-lowlatencyUpgrade linux-image-nvidiaUpgrade linux-image-6.8.0-1012-oemUpgrade linux-image-6.8.0-1015-awsUpgrade linux-image-oem-22.04Upgrade linux-image-generic-lpaeUpgrade linux-image-gkeUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-ibmUpgrade linux-image-generic-64kUpgrade linux-image-oem-22.04aUpgrade linux-image-genericUpgrade linux-image-6.8.0-44-lowlatency-64kUpgrade linux-image-6.8.0-1013-nvidiaUpgrade linux-image-oem-22.04cUpgrade linux-image-6.8.0-1013-nvidia-64kUpgrade linux-image-6.8.0-1014-azureUpgrade linux-image-6.8.0-44-genericUpgrade linux-image-ibm-classicUpgrade linux-image-lowlatency-64kUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-azureUpgrade linux-image-6.8.0-1012-oracle-64kUpgrade linux-image-6.8.0-1014-gcpUpgrade linux-image-6.8.0-45-generic-64kUpgrade linux-image-6.8.0-45-genericUpgrade linux-image-6.8.0-1013-nvidia-lowlatencyUpgrade linux-image-6.8.0-1012-oracleUpgrade linux-image-raspiUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-nvidia-6.8Upgrade linux-image-6.8.0-44-generic-64kUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-gcpUpgrade linux-image-awsUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-azure-fdeUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-oem-22.04dUpgrade linux-image-6.8.0-44-lowlatencyUpgrade linux-image-oracleUpgrade linux-image-kvmUpgrade linux-image-6.8.0-1013-nvidia-lowlatency-64kUpgrade linux-image-virtualUpgrade linux-image-nvidia-64kUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-oracle-64kUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-oem-22.04bUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-6.8.0-1011-raspiUpgrade linux-image-6.8.0-1014-azure-fdeUpgrade linux-image-6.8.0-1010-gkeUpgrade linux-image-6.8.0-1012-ibm | Sep 12, 2024 | Jul 12, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 13, 2025 | Jul 12, 2024 |
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