In the Linux kernel, the following vulnerability has been resolved:
mm/compaction: fix UBSAN shift-out-of-bounds warning
syzkaller reported a UBSAN shift-out-of-bounds warning of (1UL << order) in isolate_freepages_block(). The bogus compound_order can be any value because it is union with flags. Add back the MAX_PAGE_ORDER check to fix the warning.
CVSS Details
- CVSS 3.1 Base Score: 7.1
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 23, 2026 | Jul 23, 2026 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernel-abi-stablelistsUpgrade kernel-tools-libsUpgrade kernelUpgrade kernel-toolsUpgrade bpftoolUpgrade python3-perf | Mar 17, 2026 | Mar 16, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-abi-stablelistsUpgrade kernel-toolsUpgrade kernelUpgrade kernel-tools-libsUpgrade bpftoolUpgrade python3-perf | Mar 10, 2026 | Mar 10, 2026 |
| Redhat_linux | — | Upgrade kernelUpgrade kernel-rt | Jan 28, 2026 | Feb 27, 2025 |
| Suse | — | Upgrade kernel-debugUpgrade cluster-md-kmp-rtUpgrade dtb-freescaleUpgrade cluster-md-kmp-azureUpgrade kernel-devel-rtUpgrade dlm-kmp-64kbUpgrade dlm-kmp-azureUpgrade dtb-hisiliconUpgrade ocfs2-kmp-rtUpgrade dtb-renesasUpgrade reiserfs-kmp-rtUpgrade dtb-xilinxUpgrade dtb-armUpgrade kernel-default-optionalUpgrade dtb-mediatekUpgrade dtb-socionextUpgrade kernel-devel-azureUpgrade kernel-macrosUpgrade dtb-apmUpgrade kernel-develUpgrade kernel-kvmsmall-develUpgrade kernel-kvmsmallUpgrade kselftests-kmp-64kbUpgrade kernel-sourceUpgrade gfs2-kmp-rtUpgrade kernel-64kb-develUpgrade kernel-rt_debug-vdsoUpgrade kernel-rt-develUpgrade kernel-zfcpdumpUpgrade kernel-obs-qaUpgrade ocfs2-kmp-azureUpgrade dtb-exynosUpgrade dtb-lgUpgrade dtb-amdUpgrade kernel-syms-azureUpgrade cluster-md-kmp-defaultUpgrade kernel-source-azureUpgrade dtb-amazonUpgrade kernel-default-develUpgrade kernel-default-livepatch-develUpgrade kselftests-kmp-defaultUpgrade kernel-symsUpgrade gfs2-kmp-64kbUpgrade kernel-64kbUpgrade dtb-appleUpgrade kernel-64kb-optionalUpgrade kernel-default-extraUpgrade kernel-azure-extraUpgrade dtb-amlogicUpgrade reiserfs-kmp-defaultUpgrade kernel-debug-develUpgrade kernel-rt-optionalUpgrade reiserfs-kmp-azureUpgrade kselftests-kmp-azureUpgrade ocfs2-kmp-64kbUpgrade dtb-sprdUpgrade kernel-rt_debug-develUpgrade kernel-default-baseUpgrade kernel-azure-vdsoUpgrade dtb-nvidiaUpgrade kernel-source-rtUpgrade kernel-obs-buildUpgrade gfs2-kmp-defaultUpgrade dlm-kmp-defaultUpgrade kernel-default-vdsoUpgrade kernel-rt-livepatch-develUpgrade kernel-rtUpgrade kernel-docs-htmlUpgrade dtb-alteraUpgrade kernel-syms-rtUpgrade kernel-defaultUpgrade dtb-rockchipUpgrade kernel-azure-optionalUpgrade dlm-kmp-rtUpgrade reiserfs-kmp-64kbUpgrade kernel-azureUpgrade dtb-caviumUpgrade kernel-default-base-rebuildUpgrade kselftests-kmp-rtUpgrade dtb-broadcomUpgrade dtb-allwinnerUpgrade cluster-md-kmp-64kbUpgrade ocfs2-kmp-defaultUpgrade kernel-kvmsmall-vdsoUpgrade gfs2-kmp-azureUpgrade kernel-rt-extraUpgrade kernel-rt_debugUpgrade kernel-docsUpgrade kernel-default-livepatchUpgrade kernel-debug-vdsoUpgrade kernel-64kb-extraUpgrade dtb-qcomUpgrade dtb-marvellUpgrade kernel-azure-develUpgrade kernel-source-vanillaUpgrade kernel-rt-vdso | Dec 5, 2025 | Jun 12, 2025 |
| Ubuntu | — | Upgrade linux-image-gcp-64k-6.8Upgrade linux-image-genericUpgrade linux-image-realtimeUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-raspi-6.8Upgrade linux-image-6.8.0-1022-azure-nvidiaUpgrade linux-image-6.8.0-1031-nvidia-lowlatency-64kUpgrade linux-image-aws-6.8Upgrade linux-image-6.8.0-64-genericUpgrade linux-image-gcp-64kUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-6.11.0-1016-oracle-64kUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-6.8.0-1031-nvidia-lowlatencyUpgrade linux-image-azure-nvidia-lts-24.04Upgrade linux-image-oem-22.04cUpgrade linux-image-oracle-6.8Upgrade linux-image-6.11.0-26-generic-64kUpgrade linux-image-6.8.0-1029-oracle-64kUpgrade linux-image-realtime-6.8.1Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-virtual-6.8Upgrade linux-image-azureUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-6.8.0-64-lowlatencyUpgrade linux-image-6.8.0-2026-raspi-realtimeUpgrade linux-image-nvidia-6.8Upgrade linux-image-awsUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-6.8.0-1028-gkeUpgrade linux-image-generic-64kUpgrade linux-image-raspiUpgrade linux-image-gkeopUpgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-6.8.0-1015-gkeopUpgrade linux-image-6.8.0-1031-raspiUpgrade linux-image-6.8.0-1029-oracleUpgrade linux-image-azure-fde-6.8Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.11.0-26-genericUpgrade linux-image-gke-6.8Upgrade linux-image-aws-lts-24.04Upgrade linux-image-6.8.0-64-lowlatency-64kUpgrade linux-image-oem-22.04dUpgrade linux-image-6.8.0-1033-gcp-64kUpgrade linux-image-azure-fdeUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-virtual-hwe-22.04Upgrade linux-image-6.8.0-1031-nvidiaUpgrade linux-image-6.8.0-64-generic-64kUpgrade linux-image-lowlatency-6.8Upgrade linux-image-oem-24.04Upgrade linux-image-lowlatencyUpgrade linux-image-6.11.0-1014-awsUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-nvidiaUpgrade linux-image-6.8.0-1034-azure-fdeUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-oem-22.04bUpgrade linux-image-6.11.0-1022-oemUpgrade linux-image-gkeUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-ibm-classicUpgrade linux-image-nvidia-64kUpgrade linux-image-6.11.0-1015-gcpUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-oem-22.04Upgrade linux-image-azure-nvidiaUpgrade linux-image-6.8.1-1025-realtimeUpgrade linux-image-raspi-realtimeUpgrade linux-image-6.11.0-1014-lowlatency-64kUpgrade linux-image-6.8.0-1031-nvidia-64kUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-generic-lpaeUpgrade linux-image-gcp-6.8Upgrade linux-image-aws-64kUpgrade linux-image-6.11.0-1014-lowlatencyUpgrade linux-image-oem-22.04aUpgrade linux-image-generic-64k-6.8Upgrade linux-image-6.11.0-1016-oracleUpgrade linux-image-6.8.0-1031-oemUpgrade linux-image-gcpUpgrade linux-image-6.11.0-1013-raspiUpgrade linux-image-oem-24.04aUpgrade linux-image-aws-64k-6.8Upgrade linux-image-6.11.0-1015-gcp-64kUpgrade linux-image-6.8.0-1029-ibmUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-6.8.0-1032-awsUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-6.11.0-1015-azureUpgrade linux-image-generic-6.8Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-kvmUpgrade linux-image-6.11.0-1015-azure-fdeUpgrade linux-image-gkeop-6.8Upgrade linux-image-virtualUpgrade linux-image-lowlatency-64kUpgrade linux-image-ibm-6.8Upgrade linux-image-oem-24.04bUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-6.8.0-1034-azureUpgrade linux-image-azure-lts-24.04Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-ibmUpgrade linux-image-6.8.0-1033-gcpUpgrade linux-image-6.8.0-1032-aws-64kUpgrade linux-image-6.11.0-1010-realtimeUpgrade linux-image-oracle-64kUpgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-azure-6.8Upgrade linux-image-oracleUpgrade linux-image-oem-6.8Upgrade linux-image-azure-nvidia-6.8Upgrade linux-image-oracle-lts-24.04 | May 21, 2025 | Feb 27, 2025 |
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