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CVE-2022-50364 (GCVE-0-2022-50364)

Vulnerability from cvelistv5 – Published: 2025-09-17 14:56 – Updated: 2026-05-11 19:18
VLAI
Title
i2c: mux: reg: check return value after calling platform_get_resource()
Summary
In the Linux kernel, the following vulnerability has been resolved: i2c: mux: reg: check return value after calling platform_get_resource() It will cause null-ptr-deref in resource_size(), if platform_get_resource() returns NULL, move calling resource_size() after devm_ioremap_resource() that will check 'res' to avoid null-ptr-deref. And use devm_platform_get_and_ioremap_resource() to simplify code.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-14 18:34 UTC
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: b3fdd32799d834e2626fae087906e886037350c6 , < 61df25c41b8e0d2c988ccf17139f70075a2e1ba4 (git)
Affected: b3fdd32799d834e2626fae087906e886037350c6 , < 8212800943997fab61874550278d653cb378c60c (git)
Affected: b3fdd32799d834e2626fae087906e886037350c6 , < f5049b3ad9446203b916ee375f30fa217735f63a (git)
Affected: b3fdd32799d834e2626fae087906e886037350c6 , < f7a440c89b6d460154efeb058272760e41bdfea8 (git)
Affected: b3fdd32799d834e2626fae087906e886037350c6 , < 2d47b79d2bd39cc6369eccf94a06568d84c906ae (git)
guessed Create a notification for this product.
Linux Linux Affected: 4.3
Unaffected: 0 , < 4.3 (semver)
Unaffected: 5.10.163 , ≤ 5.10.* (semver)
Unaffected: 5.15.86 , ≤ 5.15.* (semver)
Unaffected: 6.0.16 , ≤ 6.0.* (semver)
Unaffected: 6.1.2 , ≤ 6.1.* (semver)
Unaffected: 6.2 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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                  "version": "b3fdd32799d834e2626fae087906e886037350c6",
                  "versionType": "git"
                },
                {
                  "lessThan": "8212800943997fab61874550278d653cb378c60c",
                  "status": "affected",
                  "version": "b3fdd32799d834e2626fae087906e886037350c6",
                  "versionType": "git"
                },
                {
                  "lessThan": "f5049b3ad9446203b916ee375f30fa217735f63a",
                  "status": "affected",
                  "version": "b3fdd32799d834e2626fae087906e886037350c6",
                  "versionType": "git"
                },
                {
                  "lessThan": "f7a440c89b6d460154efeb058272760e41bdfea8",
                  "status": "affected",
                  "version": "b3fdd32799d834e2626fae087906e886037350c6",
                  "versionType": "git"
                },
                {
                  "lessThan": "2d47b79d2bd39cc6369eccf94a06568d84c906ae",
                  "status": "affected",
                  "version": "b3fdd32799d834e2626fae087906e886037350c6",
                  "versionType": "git"
                }
              ]
            },
            {
              "defaultStatus": "affected",
              "product": "Linux",
              "programFiles": [
                "drivers/i2c/muxes/i2c-mux-reg.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "status": "affected",
                  "version": "4.3"
                },
                {
                  "lessThan": "4.3",
                  "status": "unaffected",
                  "version": "0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.10.*",
                  "status": "unaffected",
                  "version": "5.10.163",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.15.*",
                  "status": "unaffected",
                  "version": "5.15.86",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.0.*",
                  "status": "unaffected",
                  "version": "6.0.16",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.1.*",
                  "status": "unaffected",
                  "version": "6.1.2",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "6.2",
                  "versionType": "original_commit_for_fix"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.10.163",
                      "versionStartIncluding": "4.3",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.15.86",
                      "versionStartIncluding": "4.3",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.0.16",
                      "versionStartIncluding": "4.3",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.1.2",
                      "versionStartIncluding": "4.3",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.2",
                      "versionStartIncluding": "4.3",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: mux: reg: check return value after calling platform_get_resource()\n\nIt will cause null-ptr-deref in resource_size(), if platform_get_resource()\nreturns NULL, move calling resource_size() after devm_ioremap_resource() that\nwill check \u0027res\u0027 to avoid null-ptr-deref.\nAnd use devm_platform_get_and_ioremap_resource() to simplify code."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-05-11T19:18:07.762Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/61df25c41b8e0d2c988ccf17139f70075a2e1ba4"
            },
            {
              "url": "https://git.kernel.org/stable/c/8212800943997fab61874550278d653cb378c60c"
            },
            {
              "url": "https://git.kernel.org/stable/c/f5049b3ad9446203b916ee375f30fa217735f63a"
            },
            {
              "url": "https://git.kernel.org/stable/c/f7a440c89b6d460154efeb058272760e41bdfea8"
            },
            {
              "url": "https://git.kernel.org/stable/c/2d47b79d2bd39cc6369eccf94a06568d84c906ae"
            }
          ],
          "title": "i2c: mux: reg: check return value after calling platform_get_resource()",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2022-50364",
        "datePublished": "2025-09-17T14:56:15.753Z",
        "dateReserved": "2025-09-17T14:53:06.994Z",
        "dateUpdated": "2026-05-11T19:18:07.762Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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

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.


Detection rules are retrieved from Rulezet.


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.