CVE-2026-46222 (GCVE-0-2026-46222)

Vulnerability from cvelistv5 – Published: 2026-05-28 09:40 – Updated: 2026-05-28 09:40
VLAI
Title
media: rockchip: rkcif: Add missing MUST_CONNECT flag to pads
Summary
In the Linux kernel, the following vulnerability has been resolved: media: rockchip: rkcif: Add missing MUST_CONNECT flag to pads The pads missed checks for connected devices which may a null dereference when the stream is enabled. Unable to handle kernel NULL pointer dereference at virtual address 0000000000000020 pc : rkcif_interface_enable_streams+0x48/0xf0 lr : rkcif_interface_enable_streams+0x44/0xf0 Call trace: rkcif_interface_enable_streams+0x48/0xf0 v4l2_subdev_enable_streams+0x26c/0x3f0 rkcif_stream_start_streaming+0x140/0x278 vb2_start_streaming+0x74/0x188 vb2_core_streamon+0xe0/0x1d8 vb2_ioctl_streamon+0x60/0xa8 v4l_streamon+0x2c/0x40 __video_do_ioctl+0x34c/0x400 video_usercopy+0x2d0/0x800 video_ioctl2+0x20/0x60 v4l2_ioctl+0x48/0x78
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 85411d17bee99b0a99e983f37188f9cdacfded54 , < 318142640590342bfec7aa06d0bdcd0ddbf953d0 (git)
Affected: 85411d17bee99b0a99e983f37188f9cdacfded54 , < 8e3c751259dc2d1325838eff26f41032523c7b57 (git)
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Linux Linux Affected: 6.19
Unaffected: 0 , < 6.19 (semver)
Unaffected: 7.0.9 , ≤ 7.0.* (semver)
Unaffected: 7.1-rc1 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/media/platform/rockchip/rkcif/rkcif-interface.c",
            "drivers/media/platform/rockchip/rkcif/rkcif-stream.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "318142640590342bfec7aa06d0bdcd0ddbf953d0",
              "status": "affected",
              "version": "85411d17bee99b0a99e983f37188f9cdacfded54",
              "versionType": "git"
            },
            {
              "lessThan": "8e3c751259dc2d1325838eff26f41032523c7b57",
              "status": "affected",
              "version": "85411d17bee99b0a99e983f37188f9cdacfded54",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/media/platform/rockchip/rkcif/rkcif-interface.c",
            "drivers/media/platform/rockchip/rkcif/rkcif-stream.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.19"
            },
            {
              "lessThan": "6.19",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.9",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1-rc1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0.9",
                  "versionStartIncluding": "6.19",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1-rc1",
                  "versionStartIncluding": "6.19",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: rockchip: rkcif: Add missing MUST_CONNECT flag to pads\n\nThe pads missed checks for connected devices which may a null dereference\nwhen the stream is enabled.\n\nUnable to handle kernel NULL pointer dereference at virtual address\n0000000000000020\npc : rkcif_interface_enable_streams+0x48/0xf0\nlr : rkcif_interface_enable_streams+0x44/0xf0\nCall trace:\n rkcif_interface_enable_streams+0x48/0xf0\n v4l2_subdev_enable_streams+0x26c/0x3f0\n rkcif_stream_start_streaming+0x140/0x278\n vb2_start_streaming+0x74/0x188\n vb2_core_streamon+0xe0/0x1d8\n vb2_ioctl_streamon+0x60/0xa8\n v4l_streamon+0x2c/0x40\n __video_do_ioctl+0x34c/0x400\n video_usercopy+0x2d0/0x800\n video_ioctl2+0x20/0x60\n v4l2_ioctl+0x48/0x78"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-28T09:40:38.777Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/318142640590342bfec7aa06d0bdcd0ddbf953d0"
        },
        {
          "url": "https://git.kernel.org/stable/c/8e3c751259dc2d1325838eff26f41032523c7b57"
        }
      ],
      "title": "media: rockchip: rkcif: Add missing MUST_CONNECT flag to pads",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46222",
    "datePublished": "2026-05-28T09:40:38.777Z",
    "dateReserved": "2026-05-13T15:03:33.106Z",
    "dateUpdated": "2026-05-28T09:40:38.777Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-46222",
      "date": "2026-05-29",
      "epss": "0.00018",
      "percentile": "0.05337"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-46222\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-05-28T10:16:37.823\",\"lastModified\":\"2026-05-28T13:44:01.663\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmedia: rockchip: rkcif: Add missing MUST_CONNECT flag to pads\\n\\nThe pads missed checks for connected devices which may a null dereference\\nwhen the stream is enabled.\\n\\nUnable to handle kernel NULL pointer dereference at virtual address\\n0000000000000020\\npc : rkcif_interface_enable_streams+0x48/0xf0\\nlr : rkcif_interface_enable_streams+0x44/0xf0\\nCall trace:\\n rkcif_interface_enable_streams+0x48/0xf0\\n v4l2_subdev_enable_streams+0x26c/0x3f0\\n rkcif_stream_start_streaming+0x140/0x278\\n vb2_start_streaming+0x74/0x188\\n vb2_core_streamon+0xe0/0x1d8\\n vb2_ioctl_streamon+0x60/0xa8\\n v4l_streamon+0x2c/0x40\\n __video_do_ioctl+0x34c/0x400\\n video_usercopy+0x2d0/0x800\\n video_ioctl2+0x20/0x60\\n v4l2_ioctl+0x48/0x78\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/318142640590342bfec7aa06d0bdcd0ddbf953d0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8e3c751259dc2d1325838eff26f41032523c7b57\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.