{
  "threat_severity" : "Low",
  "public_date" : "2025-09-15T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: regulator: core: fix use_count leakage when handling boot-on",
    "id" : "2395437",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2395437"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-772",
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\nregulator: core: fix use_count leakage when handling boot-on\nI found a use_count leakage towards supply regulator of rdev with\nboot-on option.\n┌───────────────────┐           ┌───────────────────┐\n│  regulator_dev A  │           │  regulator_dev B  │\n│     (boot-on)     │           │     (boot-on)     │\n│    use_count=0    │◀──supply──│    use_count=1    │\n│                   │           │                   │\n└───────────────────┘           └───────────────────┘\nIn case of rdev(A) configured with `regulator-boot-on', the use_count\nof supplying regulator(B) will increment inside\nregulator_enable(rdev->supply).\nThus, B will acts like always-on, and further balanced\nregulator_enable/disable cannot actually disable it anymore.\nHowever, B was also configured with `regulator-boot-on', we wish it\ncould be disabled afterwards." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2023-11-07T00:00:00Z",
    "advisory" : "RHSA-2023:6583",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-362.8.1.el9_3"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2023-11-07T00:00:00Z",
    "advisory" : "RHSA-2023:6583",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-362.8.1.el9_3"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 10",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Fix deferred",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2022-50250\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50250\nhttps://lore.kernel.org/linux-cve-announce/2025091549-CVE-2022-50250-1be1@gregkh/T" ],
  "name" : "CVE-2022-50250",
  "csaw" : false
}