In the Linux kernel, the following vulnerability has been resolved:
hwpoison, memory_hotplug: lock folio before unmap hwpoisoned folio
Commit b15c87263a69 ("hwpoison, memory_hotplug: allow hwpoisoned pages to be offlined) add page poison checks in do_migrate_range in order to make offline hwpoisoned page possible by introducing isolate_lru_page and try_to_unmap for hwpoisoned page. However folio lock must be held before calling try_to_unmap. Add it to fix this problem.
Warning will be produced if folio is not locked during unmap:
------------[ cut here ]------------ kernel BUG at ./include/linux/swapops.h:400! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 4 UID: 0 PID: 411 Comm: bash Tainted: G W 6.13.0-rc1-00016-g3c434c7ee82a-dirty #41 Tainted: [W]=WARN Hardware name: QEMU QEMU Virtual Machine, BIOS 0.0.0 02/06/2015 pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : try_to_unmap_one+0xb08/0xd3c lr : try_to_unmap_one+0x3dc/0xd3c Call trace: try_to_unmap_one+0xb08/0xd3c (P) try_to_unmap_one+0x3dc/0xd3c (L) rmap_walk_anon+0xdc/0x1f8 rmap_walk+0x3c/0x58 try_to_unmap+0x88/0x90 unmap_poisoned_folio+0x30/0xa8 do_migrate_range+0x4a0/0x568 offline_pages+0x5a4/0x670 memory_block_action+0x17c/0x374 memory_subsys_offline+0x3c/0x78 device_offline+0xa4/0xd0 state_store+0x8c/0xf0 dev_attr_store+0x18/0x2c sysfs_kf_write+0x44/0x54 kernfs_fop_write_iter+0x118/0x1a8 vfs_write+0x3a8/0x4bc ksys_write+0x6c/0xf8 __arm64_sys_write+0x1c/0x28 invoke_syscall+0x44/0x100 el0_svc_common.constprop.0+0x40/0xe0 do_el0_svc+0x1c/0x28 el0_svc+0x30/0xd0 el0t_64_sync_handler+0xc8/0xcc el0t_64_sync+0x198/0x19c Code: f9407be0 b5fff320 d4210000 17ffff97 (d4210000) ---[ end trace 0000000000000000 ]---
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade kernel-tools-debuginfoUpgrade python3-perf-debuginfoUpgrade kernel-develUpgrade kernel-livepatch-6.1.140-154.222Upgrade kernel-modules-extraUpgrade bpftoolUpgrade kernelUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-libbpf-debuginfoUpgrade kernel-libbpf-develUpgrade bpftool-debuginfoUpgrade python3-perfUpgrade kernel-toolsUpgrade kernel-libbpf-staticUpgrade kernel-modules-extra-commonUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-debuginfoUpgrade kernel-headersUpgrade perf-debuginfoUpgrade perfUpgrade kernel-tools-develUpgrade kernel-libbpf | Aug 5, 2025 | Apr 1, 2025 |
| Debian | — | Upgrade linuxUpgrade linux-6.1 | May 15, 2025 | Apr 1, 2025 |
| Huawei Euleros 2_0_sp11 | — | Upgrade kernel-toolsUpgrade kernel-tools-libsUpgrade kernelUpgrade bpftoolUpgrade python3-perfUpgrade kernel-abi-stablelists | Jun 13, 2025 | Apr 1, 2025 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernel-tools-libsUpgrade kernel-toolsUpgrade bpftoolUpgrade kernel-abi-stablelistsUpgrade kernelUpgrade python3-perf | Jul 21, 2025 | Apr 1, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade python3-perfUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade bpftoolUpgrade kernelUpgrade kernel-abi-stablelists | Jul 1, 2025 | Apr 1, 2025 |
| Redhat_linux | — | Upgrade kernelNo solution existsUpgrade kernel-rt | Jul 9, 2025 | Apr 1, 2025 |
| Rocky_linux | — | Upgrade kernel-debug-modules-extraUpgrade kernel-debug-develUpgrade kernel-debugUpgrade kernel-debug-uki-virtUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-modules-extraUpgrade kernel-zfcpdump-modulesUpgrade kernel-rt-modules-extraUpgrade python3-perf-debuginfoUpgrade rtlaUpgrade kernel-tools-debuginfoUpgrade kernel-rt-develUpgrade kernel-modules-extra-matchedUpgrade kernel-tools-libsUpgrade kernel-debuginfo-common-s390xUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-debug-modulesUpgrade kernel-rt-debug-modulesUpgrade kernel-rt-debug-coreUpgrade kernel-debug-debuginfoUpgrade kernel-rt-modules-coreUpgrade kernel-debug-coreUpgrade kernel-debug-modules-coreUpgrade kernel-rt-debug-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-rt-debugUpgrade kernelUpgrade kernel-coreUpgrade kernel-zfcpdump-coreUpgrade kernel-zfcpdumpUpgrade kernel-rtUpgrade kernel-tools-libs-develUpgrade kernel-uki-virtUpgrade kernel-rt-debug-modules-coreUpgrade kernel-devel-matchedUpgrade kernel-develUpgrade kernel-debug-devel-matchedUpgrade libperf-debuginfoUpgrade kernel-toolsUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-rt-debug-develUpgrade kernel-debuginfoUpgrade libperfUpgrade perfUpgrade rvUpgrade kernel-modulesUpgrade kernel-uki-virt-addonsUpgrade kernel-rt-debuginfoUpgrade perf-debuginfoUpgrade kernel-rt-coreUpgrade kernel-rt-debug-modules-extraUpgrade kernel-zfcpdump-develUpgrade kernel-zfcpdump-debuginfoUpgrade kernel-rt-modulesUpgrade kernel-modules-coreUpgrade python3-perf | Feb 5, 2026 | Nov 27, 2025 |
| Suse | — | Upgrade kernel-default-vdsoUpgrade kernel-azure-optionalUpgrade kernel-rt-extraUpgrade kernel-rtUpgrade dtb-lgUpgrade cluster-md-kmp-rtUpgrade kernel-rt_debug-develUpgrade kernel-obs-qaUpgrade kernel-rt-develUpgrade kernel-default-optionalUpgrade kernel-debug-vdsoUpgrade cluster-md-kmp-azureUpgrade kernel-source-azureUpgrade kernel-kvmsmallUpgrade kernel-rt-vdsoUpgrade kernel-develUpgrade dtb-xilinxUpgrade dtb-caviumUpgrade dtb-armUpgrade kernel-devel-azureUpgrade dtb-nvidiaUpgrade reiserfs-kmp-azureUpgrade kernel-syms-azureUpgrade ocfs2-kmp-rtUpgrade kernel-default-base-rebuildUpgrade kernel-default-extraUpgrade dtb-amlogicUpgrade kselftests-kmp-64kbUpgrade kernel-macrosUpgrade kernel-zfcpdumpUpgrade dtb-exynosUpgrade kernel-azure-develUpgrade dtb-qcomUpgrade ocfs2-kmp-defaultUpgrade kernel-azureUpgrade dlm-kmp-64kbUpgrade kernel-sourceUpgrade kernel-kvmsmall-develUpgrade gfs2-kmp-azureUpgrade dtb-rockchipUpgrade dtb-mediatekUpgrade dtb-apmUpgrade dtb-alteraUpgrade kernel-obs-buildUpgrade kernel-devel-rtUpgrade gfs2-kmp-rtUpgrade kernel-source-vanillaUpgrade kernel-syms-rtUpgrade ocfs2-kmp-64kbUpgrade dtb-hisiliconUpgrade kernel-64kb-optionalUpgrade kernel-rt_debug-vdsoUpgrade kernel-source-rtUpgrade kselftests-kmp-defaultUpgrade reiserfs-kmp-defaultUpgrade kernel-default-livepatchUpgrade kernel-debugUpgrade dtb-socionextUpgrade kernel-64kbUpgrade kernel-default-baseUpgrade ocfs2-kmp-azureUpgrade kernel-azure-extraUpgrade kernel-default-manUpgrade dtb-freescaleUpgrade dtb-renesasUpgrade dtb-allwinnerUpgrade dtb-marvellUpgrade dlm-kmp-rtUpgrade kernel-rt-livepatch-develUpgrade reiserfs-kmp-rtUpgrade kernel-kvmsmall-vdsoUpgrade dtb-amazonUpgrade gfs2-kmp-64kbUpgrade kernel-defaultUpgrade dtb-amdUpgrade kernel-debug-develUpgrade kernel-docs-htmlUpgrade kernel-64kb-extraUpgrade kselftests-kmp-azureUpgrade kernel-docsUpgrade cluster-md-kmp-64kbUpgrade reiserfs-kmp-64kbUpgrade dtb-appleUpgrade kselftests-kmp-rtUpgrade kernel-rt_debugUpgrade dtb-sprdUpgrade dlm-kmp-defaultUpgrade kernel-default-livepatch-develUpgrade kernel-symsUpgrade gfs2-kmp-defaultUpgrade kernel-azure-vdsoUpgrade kernel-rt-optionalUpgrade kernel-64kb-develUpgrade kernel-default-develUpgrade cluster-md-kmp-defaultUpgrade dtb-broadcomUpgrade dlm-kmp-azure | Dec 5, 2025 | May 20, 2025 |
| Ubuntu | — | Upgrade linux-image-raspi-6.8Upgrade linux-image-azure-fipsUpgrade linux-image-6.8.0-100-genericUpgrade linux-image-ibm-6.8Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-6.8.0-1043-oracle-64kUpgrade linux-image-realtime-6.8.1Upgrade linux-image-aws-fips-6.8Upgrade linux-image-azureUpgrade linux-image-6.8.0-100-lowlatency-64kUpgrade linux-image-aws-6.8Upgrade linux-image-gke-64k-6.8Upgrade linux-image-6.8.0-1043-gke-64kUpgrade linux-image-fips-6.8Upgrade linux-image-lowlatencyUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-oracle-6.8Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-azure-fips-6.8Upgrade linux-image-aws-lts-24.04Upgrade linux-image-6.8.1-1041-realtimeUpgrade linux-image-6.8.0-1047-gcp-64kUpgrade linux-image-ibm-classicUpgrade linux-image-kvmUpgrade linux-image-6.8.0-1047-gcp-fipsUpgrade linux-image-6.8.0-100-lowlatencyUpgrade linux-image-oem-22.04bUpgrade linux-image-6.8.0-100-generic-64kUpgrade linux-image-gcp-6.8Upgrade linux-image-gke-64kUpgrade linux-image-raspi-realtimeUpgrade linux-image-6.8.0-1046-aws-64kUpgrade linux-image-awsUpgrade linux-image-aws-64k-6.8Upgrade linux-image-6.8.0-1047-raspiUpgrade linux-image-lowlatency-6.8Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-oracle-64k-6.8Upgrade linux-image-6.8.0-1046-awsUpgrade linux-image-gcp-fipsUpgrade linux-image-generic-6.8Upgrade linux-image-raspiUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-azure-lts-24.04Upgrade linux-image-oem-22.04aUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-6.8.0-1023-xilinxUpgrade linux-image-virtual-6.8Upgrade linux-image-gkeop-6.8Upgrade linux-image-generic-64k-6.8Upgrade linux-image-gcp-64kUpgrade linux-image-ibmUpgrade linux-image-6.8.0-1046-aws-fipsUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-6.8.0-1046-nvidia-lowlatencyUpgrade linux-image-xilinxUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1047-gcpUpgrade linux-image-raspi-realtime-6.8Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-6.8.0-1030-gkeopUpgrade linux-image-oem-22.04Upgrade linux-image-oem-22.04cUpgrade linux-image-6.8.0-1046-nvidia-64kUpgrade linux-image-6.8.0-1046-nvidia-lowlatency-64kUpgrade linux-image-gke-6.8Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-gcpUpgrade linux-image-intel-iotgUpgrade linux-image-aws-64kUpgrade linux-image-oracle-64kUpgrade linux-image-nvidia-6.8Upgrade linux-image-oracleUpgrade linux-image-generic-64kUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-gkeopUpgrade linux-image-gcp-fips-6.8Upgrade linux-image-azure-6.8Upgrade linux-image-realtimeUpgrade linux-image-6.8.0-1046-azureUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-gkeUpgrade linux-image-6.8.0-100-fipsUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-6.8.0-2037-raspi-realtimeUpgrade linux-image-nvidia-64kUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-lowlatency-64kUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-6.8.0-1043-oracleUpgrade linux-image-6.8.0-1044-ibmUpgrade linux-image-aws-fipsUpgrade linux-image-fipsUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-oracle-lts-24.04Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-6.8.0-1046-nvidiaUpgrade linux-image-oem-22.04dUpgrade linux-image-virtualUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-realtime-hwe-22.04Upgrade linux-image-generic-lpaeUpgrade linux-image-xilinx-6.8Upgrade linux-image-6.8.0-1046-azure-fipsUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-6.8.0-1043-gkeUpgrade linux-image-genericUpgrade linux-image-6.8.0-1051-azureUpgrade linux-image-nvidia | Jun 26, 2025 | Apr 1, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Sep 22, 2025 | Apr 1, 2025 |
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