{
  "cveId": "CVE-2022-49802",
  "url": "https://patchblox.com/security/cve/CVE-2022-49802",
  "summary": "CVE-2022-49802 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-49802, released May 1, 2025. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  ftrace: Fix null pointer dereference in ftrace_a...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  ftrace: Fix null pointer dereference in ftrace_add_mod()  The @ftrace_mod is allocated by kzalloc(), so both the members {prev,next} of @ftrace_mode-\u003Elist are NULL, it\u0027s not a valid state to call list_del(). If kstrdup() for @ftrace_mod-\u003E{func|module} fails, it goes to @out_free tag and calls free_ftrace_mod() to destroy @ftrace_mod, then list_del() will write prev-\u003Enext and next-\u003Eprev, where null pointer dereference happens.  BUG: kernel NULL pointer dereference, address: 0000000000000008 Oops: 0002 [#1] PREEMPT SMP NOPTI Call Trace:  \u003CTASK\u003E  ftrace_mod_callback\u002B0x20d/0x220  ? do_filp_open\u002B0xd9/0x140  ftrace_process_regex.isra.51\u002B0xbf/0x130  ftrace_regex_write.isra.52.part.53\u002B0x6e/0x90  vfs_write\u002B0xee/0x3a0  ? __audit_filter_op\u002B0xb1/0x100  ? auditd_test_task\u002B0x38/0x50  ksys_write\u002B0xa5/0xe0  do_syscall_64\u002B0x3a/0x90  entry_SYSCALL_64_after_hwframe\u002B0x63/0xcd Kernel panic - not syncing: Fatal exception  So call INIT_LIST_HEAD() to initialize the list member to fix this issue.",
  "published": "2025-05-01T15:16:03Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00222,
  "epssPercentile": 0.12907,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.0.10-1",
      "fix": "DEBIAN-CVE-2022-49802",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49802",
      "released": "2025-05-01T15:16:03Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.0.10-1",
      "fix": "DEBIAN-CVE-2022-49802",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49802",
      "released": "2025-05-01T15:16:03Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.0.10-1",
      "fix": "DEBIAN-CVE-2022-49802",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49802",
      "released": "2025-05-01T15:16:03Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}