btrfs: fix information leak in btrfs_ioctl_logical_to_ino()

{
  "id": "2568a90cb4026cb8c8f302a800d0875e5ce123a370a8a166c7f56f5f2a66a8df",
  "url": "https://osv.dev/vulnerability/CVE-2024-35849",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "btrfs: fix information leak in btrfs_ioctl_logical_to_ino()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: btrfs: fix information leak in btrfs_ioctl_logical_to_ino() Syzbot reported the following information leak for in btrfs_ioctl_logical_to_ino(): BUG: KMSAN: kernel-infoleak in instrument_copy_to_user include/linux/instrumented.h:114 [inline] BUG: KMSAN: kernel-infoleak in _copy_to_user+0xbc/0x110 lib/usercopy.c:40 instrument_copy_to_user include/linux/instrumented.h:114 [inline] _copy_to_user+0xbc/0x110 lib/usercopy.c:40 copy_to_user include/linux/uaccess.h:191 [inline] btrfs_ioctl_logical_to_ino+0x440/0x750 fs/btrfs/ioctl.c:3499 btrfs_ioctl+0x714/0x1260 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:904 [inline] __se_sys_ioctl+0x261/0x450 fs/ioctl.c:890 __x64_sys_ioctl+0x96/0xe0 fs/ioctl.c:890 x64_sys_call+0x1883/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: __kmalloc_large_node+0x231/0x370 mm/slub.c:3921 __do_kmalloc_node mm/slub.c:3954 [inline] __kmalloc_node+0xb07/0x1060 mm/slub.c:3973 kmalloc_node include/linux/slab.h:648 [inline] kvmalloc_node+0xc0/0x2d0 mm/util.c:634 kvmalloc include/linux/slab.h:766 [inline] init_data_container+0x49/0x1e0 fs/btrfs/backref.c:2779 btrfs_ioctl_logical_to_ino+0x17c/0x750 fs/btrfs/ioctl.c:3480 btrfs_ioctl+0x714/0x1260 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:904 [inline] ",
    "evidence": "osv:CVE-2024-35849",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.19.313",
            "evidence": "/affected/1/ranges"
          },
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            "value": "5.4.275",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.10.216",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.158",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.90",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.30",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.8.9",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2024-35849",
      "aliases": [
        "CVE-2024-35849"
      ],
      "affected": [
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                {
                  "fixed": "73db209dcd4ae026021234d40cfcb2fb5b564b86"
                },
                {
                  "fixed": "30189e54ba80e3209d34cfeea87b848f6ae025e6"
                },
                {
                  "fixed": "e58047553a4e859dafc8d1d901e1de77c9dd922d"
                },
                {
                  "fixed": "8bdbcfaf3eac42f98e5486b3d7e130fa287811f6"
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                {
                  "fixed": "3a63cee1a5e14a3e52c19142c61dd5fcb524f6dc"
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        {
          "ranges": [
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            {
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          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
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      ],
      "modified": "2026-10-28T02:30:23.754110763Z",
      "provider": "osv",
      "references": [
        "https://cert-portal.siemens.com/productcert/html/ssa-265688.html",
        "https://git.kernel.org/stable/c/2f7ef5bb4a2f3e481ef05fab946edb97c84f67cf",
        "https://git.kernel.org/stable/c/30189e54ba80e3209d34cfeea87b848f6ae025e6",
        "https://git.kernel.org/stable/c/3a63cee1a5e14a3e52c19142c61dd5fcb524f6dc",
        "https://git.kernel.org/stable/c/689efe22e9b5b7d9d523119a9a5c3c17107a0772",
        "https://git.kernel.org/stable/c/73db209dcd4ae026021234d40cfcb2fb5b564b86",
        "https://git.kernel.org/stable/c/8bdbcfaf3eac42f98e5486b3d7e130fa287811f6",
        "https://git.kernel.org/stable/c/e58047553a4e859dafc8d1d901e1de77c9dd922d",
        "https://git.kernel.org/stable/c/fddc19631c51d9c17d43e9f822a7bc403af88d54",
        "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html",
        "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/35xxx/CVE-2024-35849.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-35849",
        "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/2024/35xxx/CVE-2024-35849.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-35849",
        "evidence": "/id"
      }
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    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 489851,
  "published_at": "2024-05-17T14:47:27.486+00:00"
}