{
  "threat_severity" : "Moderate",
  "public_date" : "2025-02-26T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: extcon: Modify extcon device to be created after driver data is set",
    "id" : "2348348",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2348348"
  },
  "cvss3" : {
    "cvss3_base_score" : "4.7",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-476",
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\nextcon: Modify extcon device to be created after driver data is set\nCurrently, someone can invoke the sysfs such as state_show()\nintermittently before dev_set_drvdata() is done.\nAnd it can be a cause of kernel Oops because of edev is Null at that time.\nSo modified the driver registration to after setting drviver data.\n- Oops's backtrace.\nBacktrace:\n[<c067865c>] (state_show) from [<c05222e8>] (dev_attr_show)\n[<c05222c0>] (dev_attr_show) from [<c02c66e0>] (sysfs_kf_seq_show)\n[<c02c6648>] (sysfs_kf_seq_show) from [<c02c496c>] (kernfs_seq_show)\n[<c02c4938>] (kernfs_seq_show) from [<c025e2a0>] (seq_read)\n[<c025e11c>] (seq_read) from [<c02c50a0>] (kernfs_fop_read)\n[<c02c5064>] (kernfs_fop_read) from [<c0231cac>] (__vfs_read)\n[<c0231c5c>] (__vfs_read) from [<c0231ee0>] (vfs_read)\n[<c0231e34>] (vfs_read) from [<c0232464>] (ksys_read)\n[<c02323f0>] (ksys_read) from [<c02324fc>] (sys_read)\n[<c02324e4>] (sys_read) from [<c00091d0>] (__sys_trace_return)" ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-11-12T00:00:00Z",
    "advisory" : "RHSA-2024:9315",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-503.11.1.el9_5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-11-12T00:00:00Z",
    "advisory" : "RHSA-2024:9315",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-503.11.1.el9_5"
  } ],
  "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" : "Fix deferred",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Fix deferred",
    "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-2022-49308\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49308\nhttps://lore.kernel.org/linux-cve-announce/2025022635-CVE-2022-49308-23f0@gregkh/T" ],
  "name" : "CVE-2022-49308",
  "csaw" : false
}