github - ghsa-rrxc-83pc-mr58

GHSA-RRXC-83PC-MR58

Vulnerability from github – Published: 2025-03-17 21:30 – Updated: 2025-03-17 21:30

Details

In the Linux kernel, the following vulnerability has been resolved:

hwrng: cavium - fix NULL but dereferenced coccicheck error

Fix following coccicheck warning: ./drivers/char/hw_random/cavium-rng-vf.c:182:17-20: ERROR: pdev is NULL but dereferenced.

Severity ?

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2022-49177"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-02-26T07:00:54Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nhwrng: cavium - fix NULL but dereferenced coccicheck error\n\nFix following coccicheck warning:\n./drivers/char/hw_random/cavium-rng-vf.c:182:17-20: ERROR:\npdev is NULL but dereferenced.",
  "id": "GHSA-rrxc-83pc-mr58",
  "modified": "2025-03-17T21:30:31Z",
  "published": "2025-03-17T21:30:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49177"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e47b12f9415169eceda6770fcf45802e0c8d2a66"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e6205ad58a7ac194abfb33897585b38687d797fa"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2022-49177 (GCVE-0-2022-49177)

Vulnerability from cvelistv5 – Published: 2025-02-26 01:55 – Updated: 2025-10-01 19:56

Summary

In the Linux kernel, the following vulnerability has been resolved: hwrng: cavium - fix NULL but dereferenced coccicheck error Fix following coccicheck warning: ./drivers/char/hw_random/cavium-rng-vf.c:182:17-20: ERROR: pdev is NULL but dereferenced.

Severity ?

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-476 - NULL Pointer Dereference

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/e47b12f9415169ece…
	https://git.kernel.org/stable/c/e6205ad58a7ac194a…

Impacted products

Vendor

Product

Version

Linux

Affected: 680efb33546be8960ccbb2f4e0e43034d9c93b30 , < e47b12f9415169eceda6770fcf45802e0c8d2a66 (git)
Affected: 680efb33546be8960ccbb2f4e0e43034d9c93b30 , < e6205ad58a7ac194abfb33897585b38687d797fa (git)
Affected: bc20294cc8da53c0dc0f5a076b4883be6ec96930 (git)
Affected: 7919dfd84b352782df92c1ff2f0ca4dd5328d198 (git)
Affected: cc744db61229b6c55164b8cbdfaad4caacce62f9 (git)

Linux

Affected: 5.17
Unaffected: 0 , < 5.17 (semver)
Unaffected: 5.17.2 , ≤ 5.17.* (semver)
Unaffected: 5.18 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "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"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2022-49177",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-10-01T19:47:36.860050Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-476",
                "description": "CWE-476 NULL Pointer Dereference",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-10-01T19:56:59.997Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/char/hw_random/cavium-rng-vf.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "e47b12f9415169eceda6770fcf45802e0c8d2a66",
              "status": "affected",
              "version": "680efb33546be8960ccbb2f4e0e43034d9c93b30",
              "versionType": "git"
            },
            {
              "lessThan": "e6205ad58a7ac194abfb33897585b38687d797fa",
              "status": "affected",
              "version": "680efb33546be8960ccbb2f4e0e43034d9c93b30",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "bc20294cc8da53c0dc0f5a076b4883be6ec96930",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "7919dfd84b352782df92c1ff2f0ca4dd5328d198",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "cc744db61229b6c55164b8cbdfaad4caacce62f9",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/char/hw_random/cavium-rng-vf.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.17"
            },
            {
              "lessThan": "5.17",
              "status": "unaffected",
              "version": "0",
              "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": "5.17.2",
                  "versionStartIncluding": "5.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.18",
                  "versionStartIncluding": "5.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "5.10.110",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "5.15.33",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "5.16.19",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nhwrng: cavium - fix NULL but dereferenced coccicheck error\n\nFix following coccicheck warning:\n./drivers/char/hw_random/cavium-rng-vf.c:182:17-20: ERROR:\npdev is NULL but dereferenced."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-20T14:27:27.774Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/e47b12f9415169eceda6770fcf45802e0c8d2a66"
        },
        {
          "url": "https://git.kernel.org/stable/c/e6205ad58a7ac194abfb33897585b38687d797fa"
        }
      ],
      "title": "hwrng: cavium - fix NULL but dereferenced coccicheck error",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49177",
    "datePublished": "2025-02-26T01:55:31.078Z",
    "dateReserved": "2025-02-26T01:49:39.281Z",
    "dateUpdated": "2025-10-01T19:56:59.997Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-RRXC-83PC-MR58

CVE-2022-49177 (GCVE-0-2022-49177)

Tags

Sightings

Nomenclature