ext4: init quota for 'old.inode' in 'ext4_rename'

{
  "id": "89eb32284f75bba1e43aa0b2912306103c1a467cfbab15525ddb8b31554eadfa",
  "url": "https://osv.dev/vulnerability/CVE-2022-50346",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ext4: init quota for 'old.inode' in 'ext4_rename'",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: ext4: init quota for 'old.inode' in 'ext4_rename' Syzbot found the following issue: ext4_parse_param: s_want_extra_isize=128 ext4_inode_info_init: s_want_extra_isize=32 ext4_rename: old.inode=ffff88823869a2c8 old.dir=ffff888238699828 new.inode=ffff88823869d7e8 new.dir=ffff888238699828 __ext4_mark_inode_dirty: inode=ffff888238699828 ea_isize=32 want_ea_size=128 __ext4_mark_inode_dirty: inode=ffff88823869a2c8 ea_isize=32 want_ea_size=128 ext4_xattr_block_set: inode=ffff88823869a2c8 ------------[ cut here ]------------ WARNING: CPU: 13 PID: 2234 at fs/ext4/xattr.c:2070 ext4_xattr_block_set.cold+0x22/0x980 Modules linked in: RIP: 0010:ext4_xattr_block_set.cold+0x22/0x980 RSP: 0018:ffff888227d3f3b0 EFLAGS: 00010202 RAX: 0000000000000001 RBX: ffff88823007a000 RCX: 0000000000000000 RDX: 0000000000000a03 RSI: 0000000000000040 RDI: ffff888230078178 RBP: 0000000000000000 R08: 000000000000002c R09: ffffed1075c7df8e R10: ffff8883ae3efc6b R11: ffffed1075c7df8d R12: 0000000000000000 R13: ffff88823869a2c8 R14: ffff8881012e0460 R15: dffffc0000000000 FS: 00007f350ac1f740(0000) GS:ffff8883ae200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f350a6ed6a0 CR3: 0000000237456000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ? ext4_xattr_set_entry+0x3b7/0x2320 ? ext4_xatt",
    "evidence": "osv:CVE-2022-50346",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
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            "evidence": "/affected/1/ranges"
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        "affected_versions": []
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    "severity": "medium",
    "structured": {
      "id": "CVE-2022-50346",
      "aliases": [
        "CVE-2022-50346"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
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                {
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      "modified": "2026-10-28T02:30:37.872444525Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/13271fbbe85d73a7c47058f56a52f2a7f00d6e39",
        "https://git.kernel.org/stable/c/135ba9146f4d38abed48a540ef8a8770ff0bd34f",
        "https://git.kernel.org/stable/c/33fd7031d634f3b46e59f61adfbb0ea9fe514fef",
        "https://git.kernel.org/stable/c/67f6d5a4043f3db0c6bb0e14a0d97a7be8bfb8b5",
        "https://git.kernel.org/stable/c/7dfb8259f66faafa68d23a261b284d2c2c67649b",
        "https://git.kernel.org/stable/c/84a2f2ed49d6a4d92b354219077434c57d334620",
        "https://git.kernel.org/stable/c/def7a39091e60e1c4a2f623629082a00092602be",
        "https://git.kernel.org/stable/c/f263e349bacc2f303526dcfa61c4bc50132418b1",
        "https://git.kernel.org/stable/c/fae381a3d79bb94aa2eb752170d47458d778b797",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50346.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-50346",
        "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/2022/50xxx/CVE-2022-50346.json"
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    "related_cves": [
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        "value": "CVE-2022-50346",
        "evidence": "/id"
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    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 505003,
  "published_at": "2025-09-16T16:11:39.179+00:00"
}