{
  "cveId": "CVE-2021-46913",
  "url": "https://patchblox.com/security/cve/CVE-2021-46913",
  "summary": "CVE-2021-46913 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-46913, released February 27, 2024. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  netfilter: nftables: clone set element expressio...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  netfilter: nftables: clone set element expression template  memcpy() breaks when using connlimit in set elements. Use nft_expr_clone() to initialize the connlimit expression list, otherwise connlimit garbage collector crashes when walking on the list head copy.  [  493.064656] Workqueue: events_power_efficient nft_rhash_gc [nf_tables] [  493.064685] RIP: 0010:find_or_evict\u002B0x5a/0x90 [nf_conncount] [  493.064694] Code: 2b 43 40 83 f8 01 77 0d 48 c7 c0 f5 ff ff ff 44 39 63 3c 75 df 83 6d 18 01 48 8b 43 08 48 89 de 48 8b 13 48 8b 3d ee 2f 00 00 \u003C48\u003E 89 42 08 48 89 10 48 b8 00 01 00 00 00 00 ad de 48 89 03 48 83 [  493.064699] RSP: 0018:ffffc90000417dc0 EFLAGS: 00010297 [  493.064704] RAX: 0000000000000000 RBX: ffff888134f38410 RCX: 0000000000000000 [  493.064708] RDX: 0000000000000000 RSI: ffff888134f38410 RDI: ffff888100060cc0 [  493.064711] RBP: ffff88812ce594a8 R08: ffff888134f38438 R09: 00000000ebb9025c [  493.064714] R10: ffffffff8219f838 R11: 0000000000000017 R12: 0000000000000001 [  493.064718] R13: ffffffff82146740 R14: ffff888134f38410 R15: 0000000000000000 [  493.064721] FS:  0000000000000000(0000) GS:ffff88840e440000(0000) knlGS:0000000000000000 [  493.064725] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [  493.064729] CR2: 0000000000000008 CR3: 00000001330aa002 CR4: 00000000001706e0 [  493.064733] Call Trace: [  493.064737]  nf_conncount_gc_list\u002B0x8f/0x150 [nf_conncount] [  493.064746]  nft_rhash_gc\u002B0x106/0x390 [nf_tables]",
  "published": "2024-02-27T07:15:07Z",
  "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": 0.00243,
  "epssPercentile": 0.15615,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.14.6-1",
      "fix": "DEBIAN-CVE-2021-46913",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-46913",
      "released": "2024-02-27T07:15:07Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.14.6-1",
      "fix": "DEBIAN-CVE-2021-46913",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-46913",
      "released": "2024-02-27T07:15:07Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "5.14.6-1",
      "fix": "DEBIAN-CVE-2021-46913",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-46913",
      "released": "2024-02-27T07:15:07Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}