{
  "threat_severity" : "Moderate",
  "public_date" : "2024-10-29T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: Bluetooth: Call iso_exit() on module unload",
    "id" : "2322323",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2322323"
  },
  "cvss3" : {
    "cvss3_base_score" : "4.4",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-787",
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\nBluetooth: Call iso_exit() on module unload\nIf iso_init() has been called, iso_exit() must be called on module\nunload. Without that, the struct proto that iso_init() registered with\nproto_register() becomes invalid, which could cause unpredictable\nproblems later. In my case, with CONFIG_LIST_HARDENED and\nCONFIG_BUG_ON_DATA_CORRUPTION enabled, loading the module again usually\ntriggers this BUG():\nlist_add corruption. next->prev should be prev (ffffffffb5355fd0),\nbut was 0000000000000068. (next=ffffffffc0a010d0).\n------------[ cut here ]------------\nkernel BUG at lib/list_debug.c:29!\nOops: invalid opcode: 0000 [#1] PREEMPT SMP PTI\nCPU: 1 PID: 4159 Comm: modprobe Not tainted 6.10.11-4+bt2-ao-desktop #1\nRIP: 0010:__list_add_valid_or_report+0x61/0xa0\n...\n__list_add_valid_or_report+0x61/0xa0\nproto_register+0x299/0x320\nhci_sock_init+0x16/0xc0 [bluetooth]\nbt_init+0x68/0xd0 [bluetooth]\n__pfx_bt_init+0x10/0x10 [bluetooth]\ndo_one_initcall+0x80/0x2f0\ndo_init_module+0x8b/0x230\n__do_sys_init_module+0x15f/0x190\ndo_syscall_64+0x68/0x110\n..." ],
  "statement" : "The bug happens only when admin unloads and then loads again Bluetooth kernel module, so impact is limited.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2025-05-13T00:00:00Z",
    "advisory" : "RHSA-2025:6966",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-570.12.1.el9_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2025-05-13T00:00:00Z",
    "advisory" : "RHSA-2025:6966",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-570.12.1.el9_6"
  } ],
  "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" : "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" : "Will not fix",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2024-50078\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-50078\nhttps://lore.kernel.org/linux-cve-announce/2024102936-CVE-2024-50078-cfe9@gregkh/T" ],
  "name" : "CVE-2024-50078",
  "mitigation" : {
    "value" : "To mitigate this issue, prevent module bluetooth from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.",
    "lang" : "en:us"
  },
  "csaw" : false
}