{
  "cveId": "CVE-2024-50212",
  "url": "https://patchblox.com/security/cve/CVE-2024-50212",
  "summary": "CVE-2024-50212 is fixed in linux on 1 platform, first by DEBIAN-CVE-2024-50212, released November 9, 2024. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  lib: alloc_tag_module_unload must wait for pendi...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  lib: alloc_tag_module_unload must wait for pending kfree_rcu calls  Ben Greear reports following splat:  ------------[ cut here ]------------  net/netfilter/nf_nat_core.c:1114 module nf_nat func:nf_nat_register_fn has 256 allocated at module unload  WARNING: CPU: 1 PID: 10421 at lib/alloc_tag.c:168 alloc_tag_module_unload\u002B0x22b/0x3f0  Modules linked in: nf_nat(-) btrfs ufs qnx4 hfsplus hfs minix vfat msdos fat ...  Hardware name: Default string Default string/SKYBAY, BIOS 5.12 08/04/2020  RIP: 0010:alloc_tag_module_unload\u002B0x22b/0x3f0   codetag_unload_module\u002B0x19b/0x2a0   ? codetag_load_module\u002B0x80/0x80  nf_nat module exit calls kfree_rcu on those addresses, but the free operation is likely still pending by the time alloc_tag checks for leaks.  Wait for outstanding kfree_rcu operations to complete before checking resolves this warning.  Reproducer: unshare -n iptables-nft -t nat -A PREROUTING -p tcp grep nf_nat /proc/allocinfo # will list 4 allocations rmmod nft_chain_nat rmmod nf_nat                # will WARN.  [akpm@linux-foundation.org: add comment]",
  "published": "2024-11-09T11:15:04Z",
  "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": 0.00199,
  "epssPercentile": 0.09721,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.11.7-1",
      "fix": "DEBIAN-CVE-2024-50212",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2024-50212",
      "released": "2024-11-09T11:15:04Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.11.7-1",
      "fix": "DEBIAN-CVE-2024-50212",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2024-50212",
      "released": "2024-11-09T11:15:04Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T01:18:40Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}