{
  "cveId": "CVE-2023-53294",
  "url": "https://patchblox.com/security/cve/CVE-2023-53294",
  "summary": "CVE-2023-53294 is fixed in 20 products on 1 platform, first by ALAS2023-2023-184, released May 25, 2023. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  fs/ntfs3: Fix null-ptr-deref on inode-\u003Ei_op in n...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  fs/ntfs3: Fix null-ptr-deref on inode-\u003Ei_op in ntfs_lookup()  Syzbot reported a null-ptr-deref bug:  ntfs3: loop0: Different NTFS\u0027 sector size (1024) and media sector size (512) ntfs3: loop0: Mark volume as dirty due to NTFS errors general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] RIP: 0010:d_flags_for_inode fs/dcache.c:1980 [inline] RIP: 0010:__d_add\u002B0x5ce/0x800 fs/dcache.c:2796 Call Trace:  \u003CTASK\u003E  d_splice_alias\u002B0x122/0x3b0 fs/dcache.c:3191  lookup_open fs/namei.c:3391 [inline]  open_last_lookups fs/namei.c:3481 [inline]  path_openat\u002B0x10e6/0x2df0 fs/namei.c:3688  do_filp_open\u002B0x264/0x4f0 fs/namei.c:3718  do_sys_openat2\u002B0x124/0x4e0 fs/open.c:1310  do_sys_open fs/open.c:1326 [inline]  __do_sys_open fs/open.c:1334 [inline]  __se_sys_open fs/open.c:1330 [inline]  __x64_sys_open\u002B0x221/0x270 fs/open.c:1330  do_syscall_x64 arch/x86/entry/common.c:50 [inline]  do_syscall_64\u002B0x3d/0xb0 arch/x86/entry/common.c:80  entry_SYSCALL_64_after_hwframe\u002B0x63/0xcd  If the MFT record of ntfs inode is not a base record, inode-\u003Ei_op can be NULL. And a null-ptr-deref may happen:  ntfs_lookup()     dir_search_u() # inode-\u003Ei_op is set to NULL     d_splice_alias()         __d_add()             d_flags_for_inode() # inode-\u003Ei_op-\u003Eget_link null-ptr-deref  Fix this by adding a Check on inode-\u003Ei_op before calling the d_splice_alias() function.",
  "published": "2023-05-25T17:41:00Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00148,
  "epssPercentile": 0.04036,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "bpftool",
      "release": "amzn 2023",
      "fixedVersion": "6.1.29-47.49.amzn2023",
      "fix": "ALAS2023-2023-184",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-184",
      "released": "2023-05-25T17:41:00Z"
    },
    {
      "platform": "linux",
      "product": "bpftool-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "6.1.29-47.49.amzn2023",
      "fix": "ALAS2023-2023-184",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-184",
      "released": "2023-05-25T17:41:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel",
      "release": "amzn 2023",
      "fixedVersion": "6.1.29-47.49.amzn2023",
      "fix": "ALAS2023-2023-184",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-184",
      "released": "2023-05-25T17:41:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "6.1.29-47.49.amzn2023",
      "fix": "ALAS2023-2023-184",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-184",
      "released": "2023-05-25T17:41:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-debuginfo-common-aarch64",
      "release": "amzn 2023",
      "fixedVersion": "6.1.29-47.49.amzn2023",
      "fix": "ALAS2023-2023-184",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-184",
      "released": "2023-05-25T17:41:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-debuginfo-common-x86_64",
      "release": "amzn 2023",
      "fixedVersion": "6.1.29-47.49.amzn2023",
      "fix": "ALAS2023-2023-184",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-184",
      "released": "2023-05-25T17:41:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-devel",
      "release": "amzn 2023",
      "fixedVersion": "6.1.29-47.49.amzn2023",
      "fix": "ALAS2023-2023-184",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-184",
      "released": "2023-05-25T17:41:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-headers",
      "release": "amzn 2023",
      "fixedVersion": "6.1.29-47.49.amzn2023",
      "fix": "ALAS2023-2023-184",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-184",
      "released": "2023-05-25T17:41:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-libbpf",
      "release": "amzn 2023",
      "fixedVersion": "6.1.29-47.49.amzn2023",
      "fix": "ALAS2023-2023-184",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-184",
      "released": "2023-05-25T17:41:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-libbpf-devel",
      "release": "amzn 2023",
      "fixedVersion": "6.1.29-47.49.amzn2023",
      "fix": "ALAS2023-2023-184",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-184",
      "released": "2023-05-25T17:41:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-libbpf-static",
      "release": "amzn 2023",
      "fixedVersion": "6.1.29-47.49.amzn2023",
      "fix": "ALAS2023-2023-184",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-184",
      "released": "2023-05-25T17:41:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-livepatch-6.1.29-47.49",
      "release": "amzn 2023",
      "fixedVersion": "1.0-0.amzn2023",
      "fix": "ALAS2023-2023-184",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-184",
      "released": "2023-05-25T17:41:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-tools",
      "release": "amzn 2023",
      "fixedVersion": "6.1.29-47.49.amzn2023",
      "fix": "ALAS2023-2023-184",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-184",
      "released": "2023-05-25T17:41:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-tools-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "6.1.29-47.49.amzn2023",
      "fix": "ALAS2023-2023-184",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-184",
      "released": "2023-05-25T17:41:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-tools-devel",
      "release": "amzn 2023",
      "fixedVersion": "6.1.29-47.49.amzn2023",
      "fix": "ALAS2023-2023-184",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-184",
      "released": "2023-05-25T17:41:00Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.1.37-1",
      "fix": "DEBIAN-CVE-2023-53294",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-53294",
      "released": "2025-09-16T08:15:38Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.3.7-1",
      "fix": "DEBIAN-CVE-2023-53294",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-53294",
      "released": "2025-09-16T08:15:38Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.3.7-1",
      "fix": "DEBIAN-CVE-2023-53294",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-53294",
      "released": "2025-09-16T08:15:38Z"
    },
    {
      "platform": "linux",
      "product": "perf",
      "release": "amzn 2023",
      "fixedVersion": "6.1.29-47.49.amzn2023",
      "fix": "ALAS2023-2023-184",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-184",
      "released": "2023-05-25T17:41:00Z"
    },
    {
      "platform": "linux",
      "product": "perf-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "6.1.29-47.49.amzn2023",
      "fix": "ALAS2023-2023-184",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-184",
      "released": "2023-05-25T17:41:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-perf",
      "release": "amzn 2023",
      "fixedVersion": "6.1.29-47.49.amzn2023",
      "fix": "ALAS2023-2023-184",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-184",
      "released": "2023-05-25T17:41:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-perf-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "6.1.29-47.49.amzn2023",
      "fix": "ALAS2023-2023-184",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-184",
      "released": "2023-05-25T17:41:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}