CVE-2022-49785 (GCVE-0-2022-49785)

Vulnerability from cvelistv5 – Published: 2025-05-01 14:09 – Updated: 2026-05-11 19:06
VLAI
Title
x86/sgx: Add overflow check in sgx_validate_offset_length()
Summary
In the Linux kernel, the following vulnerability has been resolved: x86/sgx: Add overflow check in sgx_validate_offset_length() sgx_validate_offset_length() function verifies "offset" and "length" arguments provided by userspace, but was missing an overflow check on their addition. Add it.
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
Linux Linux Affected: c6d26d370767fa227fc44b98a8bdad112efdf563 , < 5277e3d633a5d4157987f4aff068caa55e36db19 (git)
Affected: c6d26d370767fa227fc44b98a8bdad112efdf563 , < 3b1c10fb754b0b67165e3f055a4208e5ba26dc89 (git)
Affected: c6d26d370767fa227fc44b98a8bdad112efdf563 , < f0861f49bd946ff94fce4f82509c45e167f63690 (git)
Create a notification for this product.
Linux Linux Affected: 5.11
Unaffected: 0 , < 5.11 (semver)
Unaffected: 5.15.81 , ≤ 5.15.* (semver)
Unaffected: 6.0.10 , ≤ 6.0.* (semver)
Unaffected: 6.1 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "arch/x86/kernel/cpu/sgx/ioctl.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "5277e3d633a5d4157987f4aff068caa55e36db19",
              "status": "affected",
              "version": "c6d26d370767fa227fc44b98a8bdad112efdf563",
              "versionType": "git"
            },
            {
              "lessThan": "3b1c10fb754b0b67165e3f055a4208e5ba26dc89",
              "status": "affected",
              "version": "c6d26d370767fa227fc44b98a8bdad112efdf563",
              "versionType": "git"
            },
            {
              "lessThan": "f0861f49bd946ff94fce4f82509c45e167f63690",
              "status": "affected",
              "version": "c6d26d370767fa227fc44b98a8bdad112efdf563",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "arch/x86/kernel/cpu/sgx/ioctl.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.11"
            },
            {
              "lessThan": "5.11",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.81",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.10",
              "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": "5.15.81",
                  "versionStartIncluding": "5.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0.10",
                  "versionStartIncluding": "5.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1",
                  "versionStartIncluding": "5.11",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nx86/sgx: Add overflow check in sgx_validate_offset_length()\n\nsgx_validate_offset_length() function verifies \"offset\" and \"length\"\narguments provided by userspace, but was missing an overflow check on\ntheir addition. Add it."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T19:06:44.075Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/5277e3d633a5d4157987f4aff068caa55e36db19"
        },
        {
          "url": "https://git.kernel.org/stable/c/3b1c10fb754b0b67165e3f055a4208e5ba26dc89"
        },
        {
          "url": "https://git.kernel.org/stable/c/f0861f49bd946ff94fce4f82509c45e167f63690"
        }
      ],
      "title": "x86/sgx: Add overflow check in sgx_validate_offset_length()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49785",
    "datePublished": "2025-05-01T14:09:18.311Z",
    "dateReserved": "2025-05-01T14:05:17.223Z",
    "dateUpdated": "2026-05-11T19:06:44.075Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2022-49785",
      "date": "2026-06-14",
      "epss": "0.00214",
      "percentile": "0.4419"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-49785\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-01T15:16:01.713\",\"lastModified\":\"2025-11-07T17:49:19.787\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nx86/sgx: Add overflow check in sgx_validate_offset_length()\\n\\nsgx_validate_offset_length() function verifies \\\"offset\\\" and \\\"length\\\"\\narguments provided by userspace, but was missing an overflow check on\\ntheir addition. Add it.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: x86/sgx: Se ha a\u00f1adido una comprobaci\u00f3n de desbordamiento en sgx_validate_offset_length(). La funci\u00f3n sgx_validate_offset_length() verifica los argumentos \\\"offset\\\" y \\\"length\\\" proporcionados por el espacio de usuario, pero no inclu\u00eda una comprobaci\u00f3n de desbordamiento al a\u00f1adirlos. A\u00f1\u00e1dala.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.81\",\"matchCriteriaId\":\"899FBA32-27B2-4660-BC94-C43ED4349EB5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.0.10\",\"matchCriteriaId\":\"64F9ADD1-3ADB-4D66-A00F-4A83010B05F0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"E7E331DA-1FB0-4DEC-91AC-7DA69D461C11\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"17F0B248-42CF-4AE6-A469-BB1BAE7F4705\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"E2422816-0C14-4B5E-A1E6-A9D776E5C49B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"1C6E00FE-5FB9-4D20-A1A1-5A32128F9B76\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.1:rc5:*:*:*:*:*:*\",\"matchCriteriaId\":\"35B26BE4-43A6-4A36-A7F6-5B3F572D9186\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/3b1c10fb754b0b67165e3f055a4208e5ba26dc89\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/5277e3d633a5d4157987f4aff068caa55e36db19\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f0861f49bd946ff94fce4f82509c45e167f63690\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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.


Detection rules are retrieved from Rulezet.