CVE-2023-53420 (GCVE-0-2023-53420)
Vulnerability from cvelistv5
Published
2025-09-18 16:04
Modified
2025-09-18 16:04
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: ntfs: Fix panic about slab-out-of-bounds caused by ntfs_listxattr() Here is a BUG report from syzbot: BUG: KASAN: slab-out-of-bounds in ntfs_list_ea fs/ntfs3/xattr.c:191 [inline] BUG: KASAN: slab-out-of-bounds in ntfs_listxattr+0x401/0x570 fs/ntfs3/xattr.c:710 Read of size 1 at addr ffff888021acaf3d by task syz-executor128/3632 Call Trace: ntfs_list_ea fs/ntfs3/xattr.c:191 [inline] ntfs_listxattr+0x401/0x570 fs/ntfs3/xattr.c:710 vfs_listxattr fs/xattr.c:457 [inline] listxattr+0x293/0x2d0 fs/xattr.c:804 Fix the logic of ea_all iteration. When the ea->name_len is 0, return immediately, or Add2Ptr() would visit invalid memory in the next loop. [almaz.alexandrovich@paragon-software.com: lines of the patch have changed]
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3c675ddffb17a8b1e32efad5c983254af18b12c2
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/721b75ea2dfce53a8890dff92ae01afca8e74f88
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c86a2517df6c9304db8fb12b77136ec7a5d85994
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f3380d895e28a32632eb3609f5bd515adee4e5a1
Impacted products
Vendor Product Version
Linux Linux Version: be71b5cba2e6485e8959da7a9f9a44461a1bb074
Version: be71b5cba2e6485e8959da7a9f9a44461a1bb074
Version: be71b5cba2e6485e8959da7a9f9a44461a1bb074
Version: be71b5cba2e6485e8959da7a9f9a44461a1bb074
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   Linux Linux Version: 5.15
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{
  "containers": {
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          "programFiles": [
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nntfs: Fix panic about slab-out-of-bounds caused by ntfs_listxattr()\n\nHere is a BUG report from syzbot:\n\nBUG: KASAN: slab-out-of-bounds in ntfs_list_ea fs/ntfs3/xattr.c:191 [inline]\nBUG: KASAN: slab-out-of-bounds in ntfs_listxattr+0x401/0x570 fs/ntfs3/xattr.c:710\nRead of size 1 at addr ffff888021acaf3d by task syz-executor128/3632\n\nCall Trace:\n ntfs_list_ea fs/ntfs3/xattr.c:191 [inline]\n ntfs_listxattr+0x401/0x570 fs/ntfs3/xattr.c:710\n vfs_listxattr fs/xattr.c:457 [inline]\n listxattr+0x293/0x2d0 fs/xattr.c:804\n\nFix the logic of ea_all iteration. When the ea-\u003ename_len is 0,\nreturn immediately, or Add2Ptr() would visit invalid memory\nin the next loop.\n\n[almaz.alexandrovich@paragon-software.com: lines of the patch have changed]"
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        "dateUpdated": "2025-09-18T16:04:03.754Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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        {
          "url": "https://git.kernel.org/stable/c/3c675ddffb17a8b1e32efad5c983254af18b12c2"
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    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53420",
    "datePublished": "2025-09-18T16:04:03.754Z",
    "dateReserved": "2025-09-17T14:54:09.741Z",
    "dateUpdated": "2025-09-18T16:04:03.754Z",
    "state": "PUBLISHED"
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  }
}


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