{
  "threat_severity" : "Low",
  "public_date" : "2024-05-01T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: media: edia: dvbdev: fix a use-after-free",
    "id" : "2278445",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2278445"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.2",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:H",
    "status" : "verified"
  },
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\nmedia: edia: dvbdev: fix a use-after-free\nIn dvb_register_device, *pdvbdev is set equal to dvbdev, which is freed\nin several error-handling paths. However, *pdvbdev is not set to NULL\nafter dvbdev's deallocation, causing use-after-frees in many places,\nfor example, in the following call chain:\nbudget_register\n|-> dvb_dmxdev_init\n|-> dvb_register_device\n|-> dvb_dmxdev_release\n|-> dvb_unregister_device\n|-> dvb_remove_device\n|-> dvb_device_put\n|-> kref_put\nWhen calling dvb_unregister_device, dmxdev->dvbdev (i.e. *pdvbdev in\ndvb_register_device) could point to memory that had been freed in\ndvb_register_device. Thereafter, this pointer is transferred to\nkref_put and triggering a use-after-free." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2024-11-26T00:00:00Z",
    "advisory" : "RHSA-2024:10282",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8::nfv",
    "package" : "kernel-rt-0:4.18.0-553.30.1.rt7.371.el8_10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2024-11-26T00:00:00Z",
    "advisory" : "RHSA-2024:10281",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "kernel-0:4.18.0-553.30.1.el8_10"
  } ],
  "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" : "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 9",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Not affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2024-27043\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-27043\nhttps://lore.kernel.org/linux-cve-announce/2024050113-CVE-2024-27043-f2fb@gregkh/T" ],
  "name" : "CVE-2024-27043",
  "csaw" : false
}