mm: page_alloc: move mlocked flag clearance into free_pages_prepare()

{
  "id": "6ddefb504fae64f536eecc8857eb390f8d4783a310a495be50148c2182c3b556",
  "url": "https://osv.dev/vulnerability/CVE-2024-53105",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "mm: page_alloc: move mlocked flag clearance into free_pages_prepare()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: mm: page_alloc: move mlocked flag clearance into free_pages_prepare() Syzbot reported a bad page state problem caused by a page being freed using free_page() still having a mlocked flag at free_pages_prepare() stage: BUG: Bad page state in process syz.5.504 pfn:61f45 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x61f45 flags: 0xfff00000080204(referenced|workingset|mlocked|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000080204 0000000000000000 dead000000000122 0000000000000000 raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set page_owner tracks the page as allocated 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 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1545 [inline] get_page_from_freelist+0x303f/0x3190 mm/page_alloc.c:3457 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 kvm_coalesced_mmio_init+0x1f/0xf0 virt/kvm/coalesced_mmio.c:99 kvm_create_vm virt/kvm/kvm_main.c:1235 [inline] kvm_dev_ioctl_create_vm virt/kvm/kvm_main.c:5488 [inline] kvm_dev_ioctl+0x12dc/0x2240 virt/kvm/kvm_main.c:5530 __do_compat_sys_ioctl fs/ioctl.c:1007 [inline",
    "evidence": "osv:CVE-2024-53105",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.1.120",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.66",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.11.10",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CVE-2024-53105",
      "aliases": [
        "CVE-2024-53105"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "b109b87050df5438ee745b2bddfa3587970025bb"
                },
                {
                  "fixed": "2521664c1fc0fcea825ef0b4d8e2dfb622bc0f9a"
                },
                {
                  "fixed": "81ad32b87eb91b627a4b0d8760434e5fac4b993a"
                },
                {
                  "fixed": "7873d11911cd1d21e25c354eb130d8c3b5cb3ca5"
                },
                {
                  "fixed": "66edc3a5894c74f8887c8af23b97593a0dd0df4d"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-53105.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.18.0"
                },
                {
                  "fixed": "6.1.120"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.6.66"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.11.10"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-53105.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:31.724679591Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/2521664c1fc0fcea825ef0b4d8e2dfb622bc0f9a",
        "https://git.kernel.org/stable/c/66edc3a5894c74f8887c8af23b97593a0dd0df4d",
        "https://git.kernel.org/stable/c/7873d11911cd1d21e25c354eb130d8c3b5cb3ca5",
        "https://git.kernel.org/stable/c/81ad32b87eb91b627a4b0d8760434e5fac4b993a",
        "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/53xxx/CVE-2024-53105.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-53105",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/53xxx/CVE-2024-53105.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-53105",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 498365,
  "published_at": "2024-12-02T13:44:38.257+00:00"
}