Vulnerability-Lookup

GHSA-W6RV-Q4XV-MRF3

Vulnerability from github – Published: 2025-09-15 15:31 – Updated: 2025-12-04 15:30

Details

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

crypto: cavium - prevent integer overflow loading firmware

The "code_length" value comes from the firmware file. If your firmware is untrusted realistically there is probably very little you can do to protect yourself. Still we try to limit the damage as much as possible. Also Smatch marks any data read from the filesystem as untrusted and prints warnings if it not capped correctly.

The "ntohl(ucode->code_length) * 2" multiplication can have an integer overflow.

Severity

5.5 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2022-50330"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-190"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-09-15T15:15:45Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: cavium - prevent integer overflow loading firmware\n\nThe \"code_length\" value comes from the firmware file.  If your firmware\nis untrusted realistically there is probably very little you can do to\nprotect yourself.  Still we try to limit the damage as much as possible.\nAlso Smatch marks any data read from the filesystem as untrusted and\nprints warnings if it not capped correctly.\n\nThe \"ntohl(ucode-\u003ecode_length) * 2\" multiplication can have an\ninteger overflow.",
  "id": "GHSA-w6rv-q4xv-mrf3",
  "modified": "2025-12-04T15:30:31Z",
  "published": "2025-09-15T15:31:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-50330"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/172c8a24fc8312cf6b88d3c88469653fdcb1c127"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2526d6bf27d15054bb0778b2f7bc6625fd934905"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/371fa5129af53a79f6dddc90fe5bb0825cbe72a4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3a720eb89026c5241b8c4abb33370dc6fb565eee"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/584561e94260268abe1c83e00d9c205565cb7bc5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/90e483e7f20c32287d2a9da967e122938f52737a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c4d4c2afd08dfb3cd1c880d1811ede2568e81a6d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e29fd7a6852376d2cfb95ad5d6d3eeff93f815e9"
    }
  ],
  "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-2022-50330 (GCVE-0-2022-50330)

Vulnerability from cvelistv5 – Published: 2025-09-15 14:49 – Updated: 2026-08-05 08:58

Title

crypto: cavium - prevent integer overflow loading firmware

Summary

In the Linux kernel, the following vulnerability has been resolved: crypto: cavium - prevent integer overflow loading firmware The "code_length" value comes from the firmware file. If your firmware is untrusted realistically there is probably very little you can do to protect yourself. Still we try to limit the damage as much as possible. Also Smatch marks any data read from the filesystem as untrusted and prints warnings if it not capped correctly. The "ntohl(ucode->code_length) * 2" multiplication can have an integer overflow.

Severity

7.1 (High)


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

Assigner

Linux mitre root

References

8 references

URL	Tags
https://git.kernel.org/stable/c/c4d4c2afd08dfb3cd…
https://git.kernel.org/stable/c/90e483e7f20c32287…
https://git.kernel.org/stable/c/584561e94260268ab…
https://git.kernel.org/stable/c/3a720eb89026c5241…
https://git.kernel.org/stable/c/172c8a24fc8312cf6…
https://git.kernel.org/stable/c/371fa5129af53a79f…
https://git.kernel.org/stable/c/e29fd7a6852376d2c…
https://git.kernel.org/stable/c/2526d6bf27d15054b…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 9e2c7d99941d000a36f68a3594cec27a1bbea274 , < c4d4c2afd08dfb3cd1c880d1811ede2568e81a6d (git) Affected: 9e2c7d99941d000a36f68a3594cec27a1bbea274 , < 90e483e7f20c32287d2a9da967e122938f52737a (git) Affected: 9e2c7d99941d000a36f68a3594cec27a1bbea274 , < 584561e94260268abe1c83e00d9c205565cb7bc5 (git) Affected: 9e2c7d99941d000a36f68a3594cec27a1bbea274 , < 3a720eb89026c5241b8c4abb33370dc6fb565eee (git) Affected: 9e2c7d99941d000a36f68a3594cec27a1bbea274 , < 172c8a24fc8312cf6b88d3c88469653fdcb1c127 (git) Affected: 9e2c7d99941d000a36f68a3594cec27a1bbea274 , < 371fa5129af53a79f6dddc90fe5bb0825cbe72a4 (git) Affected: 9e2c7d99941d000a36f68a3594cec27a1bbea274 , < e29fd7a6852376d2cfb95ad5d6d3eeff93f815e9 (git) Affected: 9e2c7d99941d000a36f68a3594cec27a1bbea274 , < 2526d6bf27d15054bb0778b2f7bc6625fd934905 (git)
Linux	Linux	Affected: 4.11 Unaffected: 0 , < 4.11 (semver) Unaffected: 4.14.296 , ≤ 4.14.* (semver) Unaffected: 4.19.262 , ≤ 4.19.* (semver) Unaffected: 5.4.220 , ≤ 5.4.* (semver) Unaffected: 5.10.150 , ≤ 5.10.* (semver) Unaffected: 5.15.75 , ≤ 5.15.* (semver) Unaffected: 5.19.17 , ≤ 5.19.* (semver) Unaffected: 6.0.3 , ≤ 6.0.* (semver) Unaffected: 6.1 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/crypto/cavium/cpt/cptpf_main.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "c4d4c2afd08dfb3cd1c880d1811ede2568e81a6d",
              "status": "affected",
              "version": "9e2c7d99941d000a36f68a3594cec27a1bbea274",
              "versionType": "git"
            },
            {
              "lessThan": "90e483e7f20c32287d2a9da967e122938f52737a",
              "status": "affected",
              "version": "9e2c7d99941d000a36f68a3594cec27a1bbea274",
              "versionType": "git"
            },
            {
              "lessThan": "584561e94260268abe1c83e00d9c205565cb7bc5",
              "status": "affected",
              "version": "9e2c7d99941d000a36f68a3594cec27a1bbea274",
              "versionType": "git"
            },
            {
              "lessThan": "3a720eb89026c5241b8c4abb33370dc6fb565eee",
              "status": "affected",
              "version": "9e2c7d99941d000a36f68a3594cec27a1bbea274",
              "versionType": "git"
            },
            {
              "lessThan": "172c8a24fc8312cf6b88d3c88469653fdcb1c127",
              "status": "affected",
              "version": "9e2c7d99941d000a36f68a3594cec27a1bbea274",
              "versionType": "git"
            },
            {
              "lessThan": "371fa5129af53a79f6dddc90fe5bb0825cbe72a4",
              "status": "affected",
              "version": "9e2c7d99941d000a36f68a3594cec27a1bbea274",
              "versionType": "git"
            },
            {
              "lessThan": "e29fd7a6852376d2cfb95ad5d6d3eeff93f815e9",
              "status": "affected",
              "version": "9e2c7d99941d000a36f68a3594cec27a1bbea274",
              "versionType": "git"
            },
            {
              "lessThan": "2526d6bf27d15054bb0778b2f7bc6625fd934905",
              "status": "affected",
              "version": "9e2c7d99941d000a36f68a3594cec27a1bbea274",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/crypto/cavium/cpt/cptpf_main.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.11"
            },
            {
              "lessThan": "4.11",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.14.*",
              "status": "unaffected",
              "version": "4.14.296",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.262",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.220",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.150",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.75",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.19.*",
              "status": "unaffected",
              "version": "5.19.17",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.14.296",
                  "versionStartIncluding": "4.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.19.262",
                  "versionStartIncluding": "4.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.220",
                  "versionStartIncluding": "4.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.150",
                  "versionStartIncluding": "4.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.75",
                  "versionStartIncluding": "4.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.19.17",
                  "versionStartIncluding": "4.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0.3",
                  "versionStartIncluding": "4.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1",
                  "versionStartIncluding": "4.11",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: cavium - prevent integer overflow loading firmware\n\nThe \"code_length\" value comes from the firmware file.  If your firmware\nis untrusted realistically there is probably very little you can do to\nprotect yourself.  Still we try to limit the damage as much as possible.\nAlso Smatch marks any data read from the filesystem as untrusted and\nprints warnings if it not capped correctly.\n\nThe \"ntohl(ucode-\u003ecode_length) * 2\" multiplication can have an\ninteger overflow."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The bug is reached only when cpt_probe loads fixed-name blobs (cpt8x-mc-ae.out / cpt8x-mc-se.out) via request_firmware() from the local firmware search path; no network, adjacent, or USB-packet input reaches cpt_ucode_load_fw().\nAC:L - A crafted firmware header with a code_length that makes ntohl(code_length)*2 wrap to a non-zero undersized value deterministically drives the overflow on every probe; the attacker fully controls the blob and no race or layout luck is required.\nPR:L - Consistent with other malformed-firmware probe bugs on embedded/appliance platforms, planting the blob under a firmware search path is treated as low privilege\u2014Octeon-TX networking appliances commonly give firmware/OTA service accounts write access without full init-namespace root.\nUI:N - Once the crafted file is present, cpt_ucode_load() runs automatically from PCI probe at boot or driver bind/re-probe with no victim interaction.\nS:U - Impact stays inside the host kernel CPT PF driver authority; SR-IOV VFs do not feed this firmware path, and there is no VM/IOMMU/sandbox boundary cross.\nC:H - After wrap, dma_alloc_coherent() and memcpy() both use the overflowed code_size with no check against fw_entry-\u003esize, so a small file with a wrapped medium size causes a large out-of-bounds read of kernel memory adjacent to the firmware buffer.\nI:N - Allocation and copy use the same overflowed size, so there is no heap out-of-bounds write or other integrity/write primitive\u2014only an OOB read of the firmware source buffer and possible loading of truncated microcode onto the engine.\nA:H - The unbounded source over-read can fault on unmapped pages and oops during probe, denying availability of the CPT device and potentially the system on affected ThunderX/Octeon-TX platforms."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-05T08:58:14.226Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/c4d4c2afd08dfb3cd1c880d1811ede2568e81a6d"
        },
        {
          "url": "https://git.kernel.org/stable/c/90e483e7f20c32287d2a9da967e122938f52737a"
        },
        {
          "url": "https://git.kernel.org/stable/c/584561e94260268abe1c83e00d9c205565cb7bc5"
        },
        {
          "url": "https://git.kernel.org/stable/c/3a720eb89026c5241b8c4abb33370dc6fb565eee"
        },
        {
          "url": "https://git.kernel.org/stable/c/172c8a24fc8312cf6b88d3c88469653fdcb1c127"
        },
        {
          "url": "https://git.kernel.org/stable/c/371fa5129af53a79f6dddc90fe5bb0825cbe72a4"
        },
        {
          "url": "https://git.kernel.org/stable/c/e29fd7a6852376d2cfb95ad5d6d3eeff93f815e9"
        },
        {
          "url": "https://git.kernel.org/stable/c/2526d6bf27d15054bb0778b2f7bc6625fd934905"
        }
      ],
      "title": "crypto: cavium - prevent integer overflow loading firmware",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50330",
    "datePublished": "2025-09-15T14:49:33.015Z",
    "dateReserved": "2025-09-15T14:18:36.815Z",
    "dateUpdated": "2026-08-05T08:58:14.226Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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