CVE-2022-49202 (GCVE-0-2022-49202)

Vulnerability from cvelistv5 – Published: 2025-02-26 01:55 – Updated: 2026-05-11 18:55
VLAI
Title
Bluetooth: hci_uart: add missing NULL check in h5_enqueue
Summary
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_uart: add missing NULL check in h5_enqueue Syzbot hit general protection fault in __pm_runtime_resume(). The problem was in missing NULL check. hu->serdev can be NULL and we should not blindly pass &serdev->dev somewhere, since it will cause GPF.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: d9dd833cf6d29695682ec7e7924c0d0992b906bc , < 7235485433d290367d60ae22fcdfc565e61d42ab (git)
Affected: d9dd833cf6d29695682ec7e7924c0d0992b906bc , < e6b6c904c0f88588b6a3ace20e4c0d61eab124f8 (git)
Affected: d9dd833cf6d29695682ec7e7924c0d0992b906bc , < 8a3896c30f542439d36303183dc96f65df8cc528 (git)
Affected: d9dd833cf6d29695682ec7e7924c0d0992b906bc , < 32cb08e958696908a9aad5e49a78d74f7e32fffb (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.15
Unaffected: 0 , < 5.15 (semver)
Unaffected: 5.15.33 , ≤ 5.15.* (semver)
Unaffected: 5.16.19 , ≤ 5.16.* (semver)
Unaffected: 5.17.2 , ≤ 5.17.* (semver)
Unaffected: 5.18 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/bluetooth/hci_h5.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "7235485433d290367d60ae22fcdfc565e61d42ab",
              "status": "affected",
              "version": "d9dd833cf6d29695682ec7e7924c0d0992b906bc",
              "versionType": "git"
            },
            {
              "lessThan": "e6b6c904c0f88588b6a3ace20e4c0d61eab124f8",
              "status": "affected",
              "version": "d9dd833cf6d29695682ec7e7924c0d0992b906bc",
              "versionType": "git"
            },
            {
              "lessThan": "8a3896c30f542439d36303183dc96f65df8cc528",
              "status": "affected",
              "version": "d9dd833cf6d29695682ec7e7924c0d0992b906bc",
              "versionType": "git"
            },
            {
              "lessThan": "32cb08e958696908a9aad5e49a78d74f7e32fffb",
              "status": "affected",
              "version": "d9dd833cf6d29695682ec7e7924c0d0992b906bc",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/bluetooth/hci_h5.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.15"
            },
            {
              "lessThan": "5.15",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.33",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.16.*",
              "status": "unaffected",
              "version": "5.16.19",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.17.*",
              "status": "unaffected",
              "version": "5.17.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.18",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.33",
                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.16.19",
                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.17.2",
                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.18",
                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_uart: add missing NULL check in h5_enqueue\n\nSyzbot hit general protection fault in __pm_runtime_resume(). The problem\nwas in missing NULL check.\n\nhu-\u003eserdev can be NULL and we should not blindly pass \u0026serdev-\u003edev\nsomewhere, since it will cause GPF."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T18:55:07.248Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/7235485433d290367d60ae22fcdfc565e61d42ab"
        },
        {
          "url": "https://git.kernel.org/stable/c/e6b6c904c0f88588b6a3ace20e4c0d61eab124f8"
        },
        {
          "url": "https://git.kernel.org/stable/c/8a3896c30f542439d36303183dc96f65df8cc528"
        },
        {
          "url": "https://git.kernel.org/stable/c/32cb08e958696908a9aad5e49a78d74f7e32fffb"
        }
      ],
      "title": "Bluetooth: hci_uart: add missing NULL check in h5_enqueue",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49202",
    "datePublished": "2025-02-26T01:55:43.738Z",
    "dateReserved": "2025-02-26T01:49:39.291Z",
    "dateUpdated": "2026-05-11T18:55:07.248Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2022-49202",
      "date": "2026-09-26",
      "epss": "0.00261",
      "percentile": "0.16078"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "Linux",
                "programFiles": [
                  "drivers/bluetooth/hci_h5.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "lessThan": "7235485433d290367d60ae22fcdfc565e61d42ab",
                    "status": "affected",
                    "version": "d9dd833cf6d29695682ec7e7924c0d0992b906bc",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "e6b6c904c0f88588b6a3ace20e4c0d61eab124f8",
                    "status": "affected",
                    "version": "d9dd833cf6d29695682ec7e7924c0d0992b906bc",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "8a3896c30f542439d36303183dc96f65df8cc528",
                    "status": "affected",
                    "version": "d9dd833cf6d29695682ec7e7924c0d0992b906bc",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "32cb08e958696908a9aad5e49a78d74f7e32fffb",
                    "status": "affected",
                    "version": "d9dd833cf6d29695682ec7e7924c0d0992b906bc",
                    "versionType": "git"
                  }
                ]
              },
              {
                "defaultStatus": "affected",
                "product": "Linux",
                "programFiles": [
                  "drivers/bluetooth/hci_h5.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "status": "affected",
                    "version": "5.15"
                  },
                  {
                    "lessThan": "5.15",
                    "status": "unaffected",
                    "version": "0",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "5.15.*",
                    "status": "unaffected",
                    "version": "5.15.33",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "5.16.*",
                    "status": "unaffected",
                    "version": "5.16.19",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "5.17.*",
                    "status": "unaffected",
                    "version": "5.17.2",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "*",
                    "status": "unaffected",
                    "version": "5.18",
                    "versionType": "original_commit_for_fix"
                  }
                ]
              }
            ],
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "A2DC15C6-2357-4732-97E0-A8A511BB24BF",
                    "versionEndExcluding": "5.15.33",
                    "versionStartIncluding": "5.15",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "20C43679-0439-405A-B97F-685BEE50613B",
                    "versionEndExcluding": "5.16.19",
                    "versionStartIncluding": "5.16",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "210C679C-CF84-44A3-8939-E629C87E54BF",
                    "versionEndExcluding": "5.17.2",
                    "versionStartIncluding": "5.17",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_uart: add missing NULL check in h5_enqueue\n\nSyzbot hit general protection fault in __pm_runtime_resume(). The problem\nwas in missing NULL check.\n\nhu-\u003eserdev can be NULL and we should not blindly pass \u0026serdev-\u003edev\nsomewhere, since it will cause GPF."
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Bluetooth: hci_uart: falta de comprobaci\u00f3n NULL en h5_enqueue Syzbot encontr\u00f3 un fallo de protecci\u00f3n general en __pm_runtime_resume(). El problema estaba en la falta de comprobaci\u00f3n NULL. hu-\u0026gt;serdev puede ser NULL y no deber\u00edamos pasar ciegamente \u0026amp;serdev-\u0026gt;dev en alg\u00fan lugar, ya que provocar\u00e1 GPF."
          }
        ],
        "id": "CVE-2022-49202",
        "lastModified": "2026-06-17T05:17:22.223",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2025-02-26T07:00:57.260",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/32cb08e958696908a9aad5e49a78d74f7e32fffb"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/7235485433d290367d60ae22fcdfc565e61d42ab"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/8a3896c30f542439d36303183dc96f65df8cc528"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/e6b6c904c0f88588b6a3ace20e4c0d61eab124f8"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-476"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-29T21:01:08+00:00",
      "cve": "CVE-2022-49202",
      "id": "CVE-2022-49202",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:known_affected": "28",
      "product_status:known_not_affected": "246",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Bluetooth: hci_uart: add missing NULL check in h5_enqueue",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-49202.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-11T16:55:25Z",
      "cve": "CVE-2022-49202",
      "id": "CVE-2022-49202",
      "initial_release_date": "2025-02-27T03:10:43Z",
      "product_status:known_affected": "364",
      "product_status:known_not_affected": "406",
      "product_status:recommended": "100",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-49202",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-49202.json",
      "version": "38"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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

Author Source Type Date Other

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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.