{
  "threat_severity" : "Moderate",
  "public_date" : "2024-04-04T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: Bluetooth: Avoid potential use-after-free in hci_error_reset",
    "id" : "2273429",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2273429"
  },
  "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:\nBluetooth: Avoid potential use-after-free in hci_error_reset\nWhile handling the HCI_EV_HARDWARE_ERROR event, if the underlying\nBT controller is not responding, the GPIO reset mechanism would\nfree the hci_dev and lead to a use-after-free in hci_error_reset.\nHere's the call trace observed on a ChromeOS device with Intel AX201:\nqueue_work_on+0x3e/0x6c\n__hci_cmd_sync_sk+0x2ee/0x4c0 [bluetooth <HASH:3b4a6>]\n? init_wait_entry+0x31/0x31\n__hci_cmd_sync+0x16/0x20 [bluetooth <HASH:3b4a 6>]\nhci_error_reset+0x4f/0xa4 [bluetooth <HASH:3b4a 6>]\nprocess_one_work+0x1d8/0x33f\nworker_thread+0x21b/0x373\nkthread+0x13a/0x152\n? pr_cont_work+0x54/0x54\n? kthread_blkcg+0x31/0x31\nret_from_fork+0x1f/0x30\nThis patch holds the reference count on the hci_dev while processing\na HCI_EV_HARDWARE_ERROR event to avoid potential crash.", "A use-after-free flaw was found in the Linux kernel’s Bluetooth subsystem in how it handles hardware failure when it occurs. This flaw allows a local user to potentially crash the system." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2024-07-08T00:00:00Z",
    "advisory" : "RHSA-2024:4352",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8::nfv",
    "package" : "kernel-rt-0:4.18.0-553.8.1.rt7.349.el8_10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2024-07-02T00:00:00Z",
    "advisory" : "RHSA-2024:4211",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "kernel-0:4.18.0-553.8.1.el8_10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support",
    "release_date" : "2024-07-10T00:00:00Z",
    "advisory" : "RHSA-2024:4447",
    "cpe" : "cpe:/o:redhat:rhel_aus:8.6",
    "package" : "kernel-0:4.18.0-372.111.1.el8_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Telecommunications Update Service",
    "release_date" : "2024-07-10T00:00:00Z",
    "advisory" : "RHSA-2024:4447",
    "cpe" : "cpe:/o:redhat:rhel_tus:8.6",
    "package" : "kernel-0:4.18.0-372.111.1.el8_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions",
    "release_date" : "2024-07-10T00:00:00Z",
    "advisory" : "RHSA-2024:4447",
    "cpe" : "cpe:/o:redhat:rhel_e4s:8.6",
    "package" : "kernel-0:4.18.0-372.111.1.el8_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.8 Extended Update Support",
    "release_date" : "2024-07-23T00:00:00Z",
    "advisory" : "RHSA-2024:4740",
    "cpe" : "cpe:/o:redhat:rhel_eus:8.8",
    "package" : "kernel-0:4.18.0-477.64.1.el8_8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-07-08T00:00:00Z",
    "advisory" : "RHSA-2024:4349",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-427.24.1.el9_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-07-08T00:00:00Z",
    "advisory" : "RHSA-2024:4349",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-427.24.1.el9_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.2 Extended Update Support",
    "release_date" : "2024-07-15T00:00:00Z",
    "advisory" : "RHSA-2024:4533",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.2",
    "package" : "kernel-0:5.14.0-284.73.1.el9_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.2 Extended Update Support",
    "release_date" : "2024-07-15T00:00:00Z",
    "advisory" : "RHSA-2024:4554",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.2::nfv",
    "package" : "kernel-rt-0:5.14.0-284.73.1.rt14.358.el9_2"
  } ],
  "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 9",
    "fix_state" : "Affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2024-26801\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26801\nhttps://lore.kernel.org/linux-cve-announce/2024040403-CVE-2024-26801-da9f@gregkh/T" ],
  "name" : "CVE-2024-26801",
  "csaw" : false
}