{
  "threat_severity" : "Low",
  "public_date" : "2024-05-01T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: md: Fix missing release of 'active_io' for flush",
    "id" : "2278488",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2278488"
  },
  "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"
  },
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\nmd: Fix missing release of 'active_io' for flush\nsubmit_flushes\natomic_set(&mddev->flush_pending, 1);\nrdev_for_each_rcu(rdev, mddev)\natomic_inc(&mddev->flush_pending);\nbi->bi_end_io = md_end_flush\nsubmit_bio(bi);\n/* flush io is done first */\nmd_end_flush\nif (atomic_dec_and_test(&mddev->flush_pending))\npercpu_ref_put(&mddev->active_io)\n-> active_io is not released\nif (atomic_dec_and_test(&mddev->flush_pending))\n-> missing release of active_io\nFor consequence, mddev_suspend() will wait for 'active_io' to be zero\nforever.\nFix this problem by releasing 'active_io' in submit_flushes() if\n'flush_pending' is decreased to zero.", "In the Linux kernel, the following vulnerability has been resolved:\nmd: Fix missing release of 'active_io' for flush\nThe Linux kernel CVE team has assigned CVE-2024-27023 to this issue.\nUpstream advisory:\nhttps://lore.kernel.org/linux-cve-announce/2024050105-CVE-2024-27023-4810@gregkh/T" ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-11-12T00:00:00Z",
    "advisory" : "RHSA-2024:9315",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-503.11.1.el9_5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-11-12T00:00:00Z",
    "advisory" : "RHSA-2024:9315",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-503.11.1.el9_5"
  } ],
  "package_state" : [ {
    "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" : "Out of support scope",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2024-27023\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-27023\nhttps://lore.kernel.org/linux-cve-announce/2024050105-CVE-2024-27023-4810@gregkh/T" ],
  "name" : "CVE-2024-27023",
  "csaw" : false
}