{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2024-39467",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2024-39467"
  ],
  "published": "2024-06-25T14:25:19Z",
  "summary": "f2fs: fix to do sanity check on i_xattr_nid in sanity_check_inode()",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to do sanity check on i_xattr_nid in sanity_check_inode()\n\nsyzbot reports a kernel bug as below:\n\nF2FS-fs (loop0): Mounted with checkpoint version = 48b305e4\n==================================================================\nBUG: KASAN: slab-out-of-bounds in f2fs_test_bit fs/f2fs/f2fs.h:2933 [inline]\nBUG: KASAN: slab-out-of-bounds in current_nat_addr fs/f2fs/node.h:213 [inline]\nBUG: KASAN: slab-out-of-bounds in f2fs_get_node_info+0xece/0x1200 fs/f2fs/node.c:600\nRead of size 1 at addr ffff88807a58c76c by task syz-executor280/5076\n\nCPU: 1 PID: 5076 Comm: syz-executor280 Not tainted 6.9.0-rc5-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024\nCall Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114\n print_address_description mm/kasan/report.c:377 [inline]\n print_report+0x169/0x550 mm/kasan/report.c:488\n kasan_report+0x143/0x180 mm/kasan/report.c:601\n f2fs_test_bit fs/f2fs/f2fs.h:2933 [inline]\n current_nat_addr fs/f2fs/node.h:213 [inline]\n f2fs_get_node_info+0xece/0x1200 fs/f2fs/node.c:600\n f2fs_xattr_fiemap fs/f2fs/data.c:1848 [inline]\n f2fs_fiemap+0x55d/0x1ee0 fs/f2fs/data.c:1925\n ioctl_fiemap fs/ioctl.c:220 [inline]\n do_vfs_ioctl+0x1c07/0x2e50 fs/ioctl.c:838\n __do_sys_ioctl fs/ioctl.c:902 [inline]\n __se_sys_ioctl+0x81/0x170 fs/ioctl.c:890\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nThe root cause is we missed to do sanity check on i_xattr_nid during\nf2fs_iget(), so that in fiemap() path, current_nat_addr() will access\nnat_bitmap w/ offset from invalid i_xattr_nid, result in triggering\nkasan bug report, fix it.",
  "affected": [
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  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-39467"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/c559a8d840562fbfce9f318448dda2f7d3e6d8e8"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/75c87e2ac6149abf44bdde0dd6d541763ddb0dff"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/1640dcf383cdba52be8b28d2a1a2aa7ef7a30c98"
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    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/8c8aa473fe6eb46a4bf99f3ea2dbe52bf0c1a1f0"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/be0155202e431f3007778568a72432c68f8946ba"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/68e3cd4ecb8603936cccdc338929130045df2e57"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/20faaf30e55522bba2b56d9c46689233205d7717"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-05T11:52:36Z"
  }
}