{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "f90cf6079bf67988f8b1ad1ade70fc89d0080905"
            },
            {
              "fixed": "54e18a23e62e81b8335cec3e8e9c5cb33fd88665"
            },
            {
              "fixed": "5c986b77200b5ea754ba6636deacc7e0942fec9b"
            },
            {
              "fixed": "93d9e747a9e8a5ca9e3c5e37dcff76b40399139f"
            },
            {
              "fixed": "b7efb4c94797c504a1c678edb48c2aa311d3309f"
            },
            {
              "fixed": "e589de36da106ef739ba98f66f5a5c2023370706"
            },
            {
              "fixed": "2dff11fb5098ae453651f8f77e94ad499c078022"
            },
            {
              "fixed": "b832cfd516b8504e95884622cee60bf9a39b7945"
            },
            {
              "fixed": "07c1e474cf9acf777f09d14a8f8dfcef5b84e46f"
            },
            {
              "fixed": "f8e1fc918a9fe67103bcda01d20d745f264d00a7"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.10.0"
            },
            {
              "fixed": "5.10.258"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.209"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.175"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.136"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.83"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.24"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.14"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.20.0"
            },
            {
              "fixed": "7.0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31599.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: vidtv: fix NULL pointer dereference in vidtv_channel_pmt_match_sections\n\nsyzbot reported a general protection fault in vidtv_psi_desc_assign [1].\n\nvidtv_psi_pmt_stream_init() can return NULL on memory allocation\nfailure, but vidtv_channel_pmt_match_sections() does not check for\nthis. When tail is NULL, the subsequent call to\nvidtv_psi_desc_assign(\u0026tail-\u003edescriptor, desc) dereferences a NULL\npointer offset, causing a general protection fault.\n\nAdd a NULL check after vidtv_psi_pmt_stream_init(). On failure, clean\nup the already-allocated stream chain and return.\n\n[1]\nOops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\nRIP: 0010:vidtv_psi_desc_assign+0x24/0x90 drivers/media/test-drivers/vidtv/vidtv_psi.c:629\nCall Trace:\n \u003cTASK\u003e\n vidtv_channel_pmt_match_sections drivers/media/test-drivers/vidtv/vidtv_channel.c:349 [inline]\n vidtv_channel_si_init+0x1445/0x1a50 drivers/media/test-drivers/vidtv/vidtv_channel.c:479\n vidtv_mux_init+0x526/0xbe0 drivers/media/test-drivers/vidtv/vidtv_mux.c:519\n vidtv_start_streaming drivers/media/test-drivers/vidtv/vidtv_bridge.c:194 [inline]\n vidtv_start_feed+0x33e/0x4d0 drivers/media/test-drivers/vidtv/vidtv_bridge.c:239",
  "id": "CVE-2026-31599",
  "modified": "2026-07-15T01:49:12.128636918Z",
  "published": "2026-04-24T14:42:23.961Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/07c1e474cf9acf777f09d14a8f8dfcef5b84e46f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2dff11fb5098ae453651f8f77e94ad499c078022"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/54e18a23e62e81b8335cec3e8e9c5cb33fd88665"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5c986b77200b5ea754ba6636deacc7e0942fec9b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/93d9e747a9e8a5ca9e3c5e37dcff76b40399139f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b7efb4c94797c504a1c678edb48c2aa311d3309f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b832cfd516b8504e95884622cee60bf9a39b7945"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e589de36da106ef739ba98f66f5a5c2023370706"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f8e1fc918a9fe67103bcda01d20d745f264d00a7"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31599.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31599"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "media: vidtv: fix NULL pointer dereference in vidtv_channel_pmt_match_sections"
}