CVE-2022-49618 (GCVE-0-2022-49618)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:23 – Updated: 2026-08-15 12:22
VLAI
Title
pinctrl: aspeed: Fix potential NULL dereference in aspeed_pinmux_set_mux()
Summary
In the Linux kernel, the following vulnerability has been resolved: pinctrl: aspeed: Fix potential NULL dereference in aspeed_pinmux_set_mux() pdesc could be null but still dereference pdesc->name and it will lead to a null pointer access. So we move a null check before dereference.
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 2025-10-01 19:34 UTC
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: aa639e4437046a2519779932d8aa8842b517e20f , < ef1e38532f4b2f0f3b460e938a2e7076c3bed5ee (git)
Affected: aa639e4437046a2519779932d8aa8842b517e20f , < 3cb392b64304a05bf647e2e44efacd9a1f3c3c6a (git)
Affected: aa639e4437046a2519779932d8aa8842b517e20f , < e162a24f1dd06c0dcae71f2565c9f3da2827b98e (git)
Affected: aa639e4437046a2519779932d8aa8842b517e20f , < 84a85d3fef2e75b1fe9fc2af6f5267122555a1ed (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.9
Unaffected: 0 , < 5.9 (semver)
Unaffected: 5.10.132 , ≤ 5.10.* (semver)
Unaffected: 5.15.56 , ≤ 5.15.* (semver)
Unaffected: 5.18.13 , ≤ 5.18.* (semver)
Unaffected: 5.19 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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              "versions": [
                {
                  "lessThan": "ef1e38532f4b2f0f3b460e938a2e7076c3bed5ee",
                  "status": "affected",
                  "version": "aa639e4437046a2519779932d8aa8842b517e20f",
                  "versionType": "git"
                },
                {
                  "lessThan": "3cb392b64304a05bf647e2e44efacd9a1f3c3c6a",
                  "status": "affected",
                  "version": "aa639e4437046a2519779932d8aa8842b517e20f",
                  "versionType": "git"
                },
                {
                  "lessThan": "e162a24f1dd06c0dcae71f2565c9f3da2827b98e",
                  "status": "affected",
                  "version": "aa639e4437046a2519779932d8aa8842b517e20f",
                  "versionType": "git"
                },
                {
                  "lessThan": "84a85d3fef2e75b1fe9fc2af6f5267122555a1ed",
                  "status": "affected",
                  "version": "aa639e4437046a2519779932d8aa8842b517e20f",
                  "versionType": "git"
                }
              ]
            },
            {
              "defaultStatus": "affected",
              "product": "Linux",
              "programFiles": [
                "drivers/pinctrl/aspeed/pinctrl-aspeed.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "status": "affected",
                  "version": "5.9"
                },
                {
                  "lessThan": "5.9",
                  "status": "unaffected",
                  "version": "0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.10.*",
                  "status": "unaffected",
                  "version": "5.10.132",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.15.*",
                  "status": "unaffected",
                  "version": "5.15.56",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.18.*",
                  "status": "unaffected",
                  "version": "5.18.13",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "5.19",
                  "versionType": "original_commit_for_fix"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.10.132",
                      "versionStartIncluding": "5.9",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.15.56",
                      "versionStartIncluding": "5.9",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.18.13",
                      "versionStartIncluding": "5.9",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.19",
                      "versionStartIncluding": "5.9",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: aspeed: Fix potential NULL dereference in aspeed_pinmux_set_mux()\n\npdesc could be null but still dereference pdesc-\u003ename and it will lead to\na null pointer access. So we move a null check before dereference."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-08-15T12:22:54.490Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/ef1e38532f4b2f0f3b460e938a2e7076c3bed5ee"
            },
            {
              "url": "https://git.kernel.org/stable/c/3cb392b64304a05bf647e2e44efacd9a1f3c3c6a"
            },
            {
              "url": "https://git.kernel.org/stable/c/e162a24f1dd06c0dcae71f2565c9f3da2827b98e"
            },
            {
              "url": "https://git.kernel.org/stable/c/84a85d3fef2e75b1fe9fc2af6f5267122555a1ed"
            }
          ],
          "title": "pinctrl: aspeed: Fix potential NULL dereference in aspeed_pinmux_set_mux()",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2022-49618",
        "datePublished": "2025-02-26T02:23:37.185Z",
        "dateReserved": "2025-02-26T02:21:30.419Z",
        "dateUpdated": "2026-08-15T12:22:54.490Z",
        "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

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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.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • 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.