| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm: page_alloc: move mlocked flag clearance into free_pages_prepare()\n\nSyzbot reported a bad page state problem caused by a page being freed\nusing free_page() still having a mlocked flag at free_pages_prepare()\nstage:\n\n BUG: Bad page state in process syz.5.504 pfn:61f45\n page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x61f45\n flags: 0xfff00000080204(referenced|workingset|mlocked|node=0|zone=1|lastcpupid=0x7ff)\n raw: 00fff00000080204 0000000000000000 dead000000000122 0000000000000000\n raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000\n page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set\n page_owner tracks the page as allocated\n page last allocated via order 0, migratetype Unmovable, gfp_mask 0x400dc0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), pid 8443, tgid 8442 (syz.5.504), ts 201884660643, free_ts 201499827394\n set_page_owner include/linux/page_owner.h:32 [inline]\n post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537\n prep_new_page mm/page_alloc.c:1545 [inline]\n get_page_from_freelist+0x303f/0x3190 mm/page_alloc.c:3457\n __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733\n alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265\n kvm_coalesced_mmio_init+0x1f/0xf0 virt/kvm/coalesced_mmio.c:99\n kvm_create_vm virt/kvm/kvm_main.c:1235 [inline]\n kvm_dev_ioctl_create_vm virt/kvm/kvm_main.c:5488 [inline]\n kvm_dev_ioctl+0x12dc/0x2240 virt/kvm/kvm_main.c:5530\n __do_compat_sys_ioctl fs/ioctl.c:1007 [inline]\n __se_compat_sys_ioctl+0x510/0xc90 fs/ioctl.c:950\n do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]\n __do_fast_syscall_32+0xb4/0x110 arch/x86/entry/common.c:386\n do_fast_syscall_32+0x34/0x80 arch/x86/entry/common.c:411\n entry_SYSENTER_compat_after_hwframe+0x84/0x8e\n page last free pid 8399 tgid 8399 stack trace:\n reset_page_owner include/linux/page_owner.h:25 [inline]\n free_pages_prepare mm/page_alloc.c:1108 [inline]\n free_unref_folios+0xf12/0x18d0 mm/page_alloc.c:2686\n folios_put_refs+0x76c/0x860 mm/swap.c:1007\n free_pages_and_swap_cache+0x5c8/0x690 mm/swap_state.c:335\n __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline]\n tlb_batch_pages_flush mm/mmu_gather.c:149 [inline]\n tlb_flush_mmu_free mm/mmu_gather.c:366 [inline]\n tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373\n tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465\n exit_mmap+0x496/0xc40 mm/mmap.c:1926\n __mmput+0x115/0x390 kernel/fork.c:1348\n exit_mm+0x220/0x310 kernel/exit.c:571\n do_exit+0x9b2/0x28e0 kernel/exit.c:926\n do_group_exit+0x207/0x2c0 kernel/exit.c:1088\n __do_sys_exit_group kernel/exit.c:1099 [inline]\n __se_sys_exit_group kernel/exit.c:1097 [inline]\n __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097\n x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n Modules linked in:\n CPU: 0 UID: 0 PID: 8442 Comm: syz.5.504 Not tainted 6.12.0-rc6-syzkaller #0\n Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\n Call Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:94 [inline]\n dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120\n bad_page+0x176/0x1d0 mm/page_alloc.c:501\n free_page_is_bad mm/page_alloc.c:918 [inline]\n free_pages_prepare mm/page_alloc.c:1100 [inline]\n free_unref_page+0xed0/0xf20 mm/page_alloc.c:2638\n kvm_destroy_vm virt/kvm/kvm_main.c:1327 [inline]\n kvm_put_kvm+0xc75/0x1350 virt/kvm/kvm_main.c:1386\n kvm_vcpu_release+0x54/0x60 virt/kvm/kvm_main.c:4143\n __fput+0x23f/0x880 fs/file_table.c:431\n task_work_run+0x24f/0x310 kernel/task_work.c:239\n exit_task_work include/linux/task_work.h:43 [inline]\n do_exit+0xa2f/0x28e0 kernel/exit.c:939\n do_group_exit+0x207/0x2c0 kernel/exit.c:1088\n __do_sys_exit_group kernel/exit.c:1099 [in\n---truncated---" |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "mm/page_alloc.c", |
| "mm/swap.c" |
| ], |
| "versions": [ |
| { |
| "version": "b109b87050df5438ee745b2bddfa3587970025bb", |
| "lessThan": "2521664c1fc0fcea825ef0b4d8e2dfb622bc0f9a", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "b109b87050df5438ee745b2bddfa3587970025bb", |
| "lessThan": "81ad32b87eb91b627a4b0d8760434e5fac4b993a", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "b109b87050df5438ee745b2bddfa3587970025bb", |
| "lessThan": "7873d11911cd1d21e25c354eb130d8c3b5cb3ca5", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "b109b87050df5438ee745b2bddfa3587970025bb", |
| "lessThan": "66edc3a5894c74f8887c8af23b97593a0dd0df4d", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "mm/page_alloc.c", |
| "mm/swap.c" |
| ], |
| "versions": [ |
| { |
| "version": "5.18", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "5.18", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.1.120", |
| "lessThanOrEqual": "6.1.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.6.66", |
| "lessThanOrEqual": "6.6.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.11.10", |
| "lessThanOrEqual": "6.11.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.12", |
| "lessThanOrEqual": "*", |
| "status": "unaffected", |
| "versionType": "original_commit_for_fix" |
| } |
| ] |
| } |
| ], |
| "cpeApplicability": [ |
| { |
| "nodes": [ |
| { |
| "operator": "OR", |
| "negate": false, |
| "cpeMatch": [ |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.18", |
| "versionEndExcluding": "6.1.120" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.18", |
| "versionEndExcluding": "6.6.66" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.18", |
| "versionEndExcluding": "6.11.10" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.18", |
| "versionEndExcluding": "6.12" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/2521664c1fc0fcea825ef0b4d8e2dfb622bc0f9a" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/81ad32b87eb91b627a4b0d8760434e5fac4b993a" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/7873d11911cd1d21e25c354eb130d8c3b5cb3ca5" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/66edc3a5894c74f8887c8af23b97593a0dd0df4d" |
| } |
| ], |
| "title": "mm: page_alloc: move mlocked flag clearance into free_pages_prepare()", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-53105", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
