CVE-2026-46223 cgroup: Defer css percpu_ref kill on rmdir until cgroup is depopulated

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/linux/cgroup-defs.h",
      "kernel/cgroup/cgroup.c"
    ],
    "versions": [
      {
        "version": "1b164b876c36c3eb5561dd9b37702b04401b0166",
        "lessThan": "33fa2e6b1507a0a377a151a8826438bedad1d0b0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1b164b876c36c3eb5561dd9b37702b04401b0166",
        "lessThan": "93618edf753838a727dbff63c7c291dee22d656b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "78c72bce4a87819126211c0d24e18350010604fb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.19.12",
        "lessThan": "6.20",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/linux/cgroup-defs.h",
      "kernel/cgroup/cgroup.c"
    ],
    "versions": [
      {
        "version": "7.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "7.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.9",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]