{
  "cveId": "CVE-2022-49307",
  "url": "https://patchblox.com/security/cve/CVE-2022-49307",
  "summary": "CVE-2022-49307 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-49307, released February 26, 2025. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  tty: synclink_gt: Fix null-pointer-dereference i...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  tty: synclink_gt: Fix null-pointer-dereference in slgt_clean()  When the driver fails at alloc_hdlcdev(), and then we remove the driver module, we will get the following splat:  [   25.065966] general protection fault, probably for non-canonical address 0xdffffc0000000182: 0000 [#1] PREEMPT SMP KASAN PTI [   25.066914] KASAN: null-ptr-deref in range [0x0000000000000c10-0x0000000000000c17] [   25.069262] RIP: 0010:detach_hdlc_protocol\u002B0x2a/0x3e0 [   25.077709] Call Trace: [   25.077924]  \u003CTASK\u003E [   25.078108]  unregister_hdlc_device\u002B0x16/0x30 [   25.078481]  slgt_cleanup\u002B0x157/0x9f0 [synclink_gt]  Fix this by checking whether the \u0027info-\u003Enetdev\u0027 is a null pointer first.",
  "published": "2025-02-26T07:01:07Z",
  "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": 0.00291,
  "epssPercentile": 0.21753,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.18.5-1",
      "fix": "DEBIAN-CVE-2022-49307",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49307",
      "released": "2025-02-26T07:01:07Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.18.5-1",
      "fix": "DEBIAN-CVE-2022-49307",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49307",
      "released": "2025-02-26T07:01:07Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "5.18.5-1",
      "fix": "DEBIAN-CVE-2022-49307",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49307",
      "released": "2025-02-26T07:01:07Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}