{
  "threat_severity" : "Low",
  "public_date" : "2025-09-15T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: Linux kernel: Denial of Service in coresight: trbe",
    "id" : "2395312",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2395312"
  },
  "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"
  },
  "cwe" : "CWE-431",
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\ncoresight: trbe: remove cpuhp instance node before remove cpuhp state\ncpuhp_state_add_instance() and cpuhp_state_remove_instance() should\nbe used in pairs. Or there will lead to the warn on\ncpuhp_remove_multi_state() since the cpuhp_step list is not empty.\nThe following is the error log with 'rmmod coresight-trbe':\nError: Removing state 215 which has instances left.\nCall trace:\n__cpuhp_remove_state_cpuslocked+0x144/0x160\n__cpuhp_remove_state+0xac/0x100\narm_trbe_device_remove+0x2c/0x60 [coresight_trbe]\nplatform_remove+0x34/0x70\ndevice_remove+0x54/0x90\ndevice_release_driver_internal+0x1e4/0x250\ndriver_detach+0x5c/0xb0\nbus_remove_driver+0x64/0xc0\ndriver_unregister+0x3c/0x70\nplatform_driver_unregister+0x20/0x30\narm_trbe_exit+0x1c/0x658 [coresight_trbe]\n__arm64_sys_delete_module+0x1ac/0x24c\ninvoke_syscall+0x50/0x120\nel0_svc_common.constprop.0+0x58/0x1a0\ndo_el0_svc+0x38/0xd0\nel0_svc+0x2c/0xc0\nel0t_64_sync_handler+0x1ac/0x1b0\nel0t_64_sync+0x19c/0x1a0\n---[ end trace 0000000000000000 ]---", "A flaw was found in the Linux kernel. A local user can trigger a Denial of Service (DoS) in the coresight: trbe module. This occurs when the module is removed, as it improperly manages CPU hotplug instances, leading to a system warning and an error." ],
  "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 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" : "Fix deferred",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2022-50319\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50319\nhttps://lore.kernel.org/linux-cve-announce/2025091553-CVE-2022-50319-6747@gregkh/T" ],
  "name" : "CVE-2022-50319",
  "csaw" : false
}