{
  "public_date" : "2025-07-04T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: thunderbolt: Do not double dequeue a configuration request",
    "id" : "2376305",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2376305"
  },
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\nthunderbolt: Do not double dequeue a configuration request\nSome of our devices crash in tb_cfg_request_dequeue():\ngeneral protection fault, probably for non-canonical address 0xdead000000000122\nCPU: 6 PID: 91007 Comm: kworker/6:2 Tainted: G U W 6.6.65\nRIP: 0010:tb_cfg_request_dequeue+0x2d/0xa0\nCall Trace:\n<TASK>\n? tb_cfg_request_dequeue+0x2d/0xa0\ntb_cfg_request_work+0x33/0x80\nworker_thread+0x386/0x8f0\nkthread+0xed/0x110\nret_from_fork+0x38/0x50\nret_from_fork_asm+0x1b/0x30\nThe circumstances are unclear, however, the theory is that\ntb_cfg_request_work() can be scheduled twice for a request:\nfirst time via frame.callback from ring_work() and second\ntime from tb_cfg_request().  Both times kworkers will execute\ntb_cfg_request_dequeue(), which results in double list_del()\nfrom the ctl->request_queue (the list poison deference hints\nat it: 0xdead000000000122).\nDo not dequeue requests that don't have TB_CFG_REQUEST_ACTIVE\nbit set." ],
  "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" : "Not affected",
    "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" : "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-2025-38174\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38174\nhttps://lore.kernel.org/linux-cve-announce/2025070400-CVE-2025-38174-7553@gregkh/T" ],
  "name" : "CVE-2025-38174",
  "csaw" : false
}