{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2024-26901",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2024-26901"
  ],
  "published": "2024-04-17T10:29:01Z",
  "summary": "do_sys_name_to_handle(): use kzalloc() to fix kernel-infoleak",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndo_sys_name_to_handle(): use kzalloc() to fix kernel-infoleak\n\nsyzbot identified a kernel information leak vulnerability in\ndo_sys_name_to_handle() and issued the following report [1].\n\n[1]\n\"BUG: KMSAN: kernel-infoleak in instrument_copy_to_user include/linux/instrumented.h:114 [inline]\nBUG: KMSAN: kernel-infoleak in _copy_to_user+0xbc/0x100 lib/usercopy.c:40\n instrument_copy_to_user include/linux/instrumented.h:114 [inline]\n _copy_to_user+0xbc/0x100 lib/usercopy.c:40\n copy_to_user include/linux/uaccess.h:191 [inline]\n do_sys_name_to_handle fs/fhandle.c:73 [inline]\n __do_sys_name_to_handle_at fs/fhandle.c:112 [inline]\n __se_sys_name_to_handle_at+0x949/0xb10 fs/fhandle.c:94\n __x64_sys_name_to_handle_at+0xe4/0x140 fs/fhandle.c:94\n ...\n\nUninit was created at:\n slab_post_alloc_hook+0x129/0xa70 mm/slab.h:768\n slab_alloc_node mm/slub.c:3478 [inline]\n __kmem_cache_alloc_node+0x5c9/0x970 mm/slub.c:3517\n __do_kmalloc_node mm/slab_common.c:1006 [inline]\n __kmalloc+0x121/0x3c0 mm/slab_common.c:1020\n kmalloc include/linux/slab.h:604 [inline]\n do_sys_name_to_handle fs/fhandle.c:39 [inline]\n __do_sys_name_to_handle_at fs/fhandle.c:112 [inline]\n __se_sys_name_to_handle_at+0x441/0xb10 fs/fhandle.c:94\n __x64_sys_name_to_handle_at+0xe4/0x140 fs/fhandle.c:94\n ...\n\nBytes 18-19 of 20 are uninitialized\nMemory access of size 20 starts at ffff888128a46380\nData copied to user address 0000000020000240\"\n\nPer Chuck Lever's suggestion, use kzalloc() instead of kmalloc() to\nsolve the problem.",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
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        "1:6.1.47-1+rpt4",
        "1:6.1.54-1+rpt2",
        "1:6.1.58-1+rpt2",
        "1:6.1.63-1+rpt1",
        "1:6.1.73-1+rpt1",
        "1:6.6.20-1+rpt1"
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      "ecosystem_specific": {
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  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-26901"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/4bac28f441e3cc9d3f1a84c8d023228a68d8a7c1"
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      "url": "https://git.kernel.org/stable/c/772a7def9868091da3bcb0d6c6ff9f0c03d7fa8b"
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      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/cde76b3af247f615447bcfecf610bb76c3529126"
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      "url": "https://git.kernel.org/stable/c/423b6bdf19bbc5e1f7e7461045099917378f7e71"
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      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/e6450d5e46a737a008b4885aa223486113bf0ad6"
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      "url": "https://git.kernel.org/stable/c/3948abaa4e2be938ccdfc289385a27342fb13d43"
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  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-12T04:54:46Z"
  }
}