{
  "cveId": "CVE-2025-68808",
  "url": "https://patchblox.com/security/cve/CVE-2025-68808",
  "summary": "CVE-2025-68808 is fixed in 20 products on 1 platform, first by DEBIAN-CVE-2025-68808, released January 13, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "media: vidtv: initialize local pointers upon transfer of memory ownership",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  media: vidtv: initialize local pointers upon transfer of memory ownership  vidtv_channel_si_init() creates a temporary list (program, service, event) and ownership of the memory itself is transferred to the PAT/SDT/EIT tables through vidtv_psi_pat_program_assign(), vidtv_psi_sdt_service_assign(), vidtv_psi_eit_event_assign().  The problem here is that the local pointer where the memory ownership transfer was completed is not initialized to NULL. This causes the vidtv_psi_pmt_create_sec_for_each_pat_entry() function to fail, and in the flow that jumps to free_eit, the memory that was freed by vidtv_psi_*_table_destroy() can be accessed again by vidtv_psi_*_event_destroy() due to the uninitialized local pointer, so it is freed once again.  Therefore, to prevent use-after-free and double-free vulnerability, local pointers must be initialized to NULL when transferring memory ownership.",
  "published": "2026-01-13T16:16:02Z",
  "severity": "Important",
  "cvss": 7.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.0015,
  "epssPercentile": 0.04221,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-68808",
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  "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"
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}