CVE-2026-53328 sched_ext: Don't warn on NULL cgrp_moving_from in scx_cgroup_move_task()

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/sched/ext.c"
    ],
    "versions": [
      {
        "version": "8195136669661fdfe54e9a8923c33b31c92fc1da",
        "lessThan": "cdff2eb97be147d2ce52ac1327841068781f25dc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8195136669661fdfe54e9a8923c33b31c92fc1da",
        "lessThan": "0ffcad63b19a1cadb475c9f405a93607fdcd0d7c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8195136669661fdfe54e9a8923c33b31c92fc1da",
        "lessThan": "bc75f5951fac4e49d175c4433fc08fb1ec01172f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8195136669661fdfe54e9a8923c33b31c92fc1da",
        "lessThan": "02e545c4297a26dbbc41df81b831e7f605bcd306",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/sched/ext.c"
    ],
    "versions": [
      {
        "version": "6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.94",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.36",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.13",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]