{
  "cveId": "CVE-2026-31599",
  "url": "https://patchblox.com/security/cve/CVE-2026-31599",
  "summary": "CVE-2026-31599 is fixed in 16 products on 1 platform, first by DEBIAN-CVE-2026-31599, released May 15, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "media: vidtv: fix NULL pointer dereference in vidtv_channel_pmt_match_sections",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  media: vidtv: fix NULL pointer dereference in vidtv_channel_pmt_match_sections  syzbot reported a general protection fault in vidtv_psi_desc_assign [1].  vidtv_psi_pmt_stream_init() can return NULL on memory allocation failure, but vidtv_channel_pmt_match_sections() does not check for this. When tail is NULL, the subsequent call to vidtv_psi_desc_assign(\u0026tail-\u003Edescriptor, desc) dereferences a NULL pointer offset, causing a general protection fault.  Add a NULL check after vidtv_psi_pmt_stream_init(). On failure, clean up the already-allocated stream chain and return.  [1] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] RIP: 0010:vidtv_psi_desc_assign\u002B0x24/0x90 drivers/media/test-drivers/vidtv/vidtv_psi.c:629 Call Trace:  \u003CTASK\u003E  vidtv_channel_pmt_match_sections drivers/media/test-drivers/vidtv/vidtv_channel.c:349 [inline]  vidtv_channel_si_init\u002B0x1445/0x1a50 drivers/media/test-drivers/vidtv/vidtv_channel.c:479  vidtv_mux_init\u002B0x526/0xbe0 drivers/media/test-drivers/vidtv/vidtv_mux.c:519  vidtv_start_streaming drivers/media/test-drivers/vidtv/vidtv_bridge.c:194 [inline]  vidtv_start_feed\u002B0x33e/0x4d0 drivers/media/test-drivers/vidtv/vidtv_bridge.c:239",
  "published": "2026-04-24T15:16:38Z",
  "severity": "Moderate",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00125,
  "epssPercentile": 0.02238,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-31599",
  "fixes": [
    {
      "platform": "linux",
      "product": "dtb-aarch64",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.37.1",
      "fix": "OPENSUSE-SU-2026:21555-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21555-1",
      "released": "2026-08-12T01:09:28Z"
    },
    {
      "platform": "linux",
      "product": "kernel-64kb",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.37.1",
      "fix": "OPENSUSE-SU-2026:21555-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21555-1",
      "released": "2026-08-12T01:09:28Z"
    },
    {
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      "product": "kernel-64kb",
      "release": "sles 15.7",
      "fixedVersion": "6.4.0-150700.53.73.2",
      "fix": "SUSE-SU-2026:3166-1",
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      "released": "2026-07-21T17:09:27Z"
    },
    {
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      "fixedVersion": "6.12.0-160000.37.1",
      "fix": "SUSE-SU-2026:23231-1",
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      "released": "2026-08-11T21:26:34Z"
    },
    {
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      "product": "kernel-azure",
      "release": "opensuse-leap 16.0",
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      "fix": "OPENSUSE-SU-2026:21555-1",
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      "released": "2026-08-12T01:09:28Z"
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  ],
  "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"
  }
}