CVE-2022-49638 (GCVE-0-2022-49638)
Vulnerability from cvelistv5
Published
2025-02-26 02:23
Modified
2026-05-11 19:03
Summary
In the Linux kernel, the following vulnerability has been resolved: icmp: Fix data-races around sysctl. While reading icmp sysctl variables, they can be changed concurrently. So, we need to add READ_ONCE() to avoid data-races.
Impacted products
Vendor Product Version
Linux Linux Version: 4cdf507d54525842dfd9f6313fdafba039084046
Version: 4cdf507d54525842dfd9f6313fdafba039084046
Version: 4cdf507d54525842dfd9f6313fdafba039084046
Version: 4cdf507d54525842dfd9f6313fdafba039084046
Version: 4cdf507d54525842dfd9f6313fdafba039084046
Version: 4cdf507d54525842dfd9f6313fdafba039084046
Version: 4cdf507d54525842dfd9f6313fdafba039084046
Version: 4cdf507d54525842dfd9f6313fdafba039084046
Create a notification for this product.
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "HIGH",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 4.7,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2022-49638",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-10-01T19:34:08.875507Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-362",
                "description": "CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization (\u0027Race Condition\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-10-01T19:36:49.411Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/ipv4/icmp.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "1740e5922fbb705637ae9fa5203db132fc45f9f6",
              "status": "affected",
              "version": "4cdf507d54525842dfd9f6313fdafba039084046",
              "versionType": "git"
            },
            {
              "lessThan": "53ecd09ef2fb35fa69667ae8e414ef6b00fd3bf6",
              "status": "affected",
              "version": "4cdf507d54525842dfd9f6313fdafba039084046",
              "versionType": "git"
            },
            {
              "lessThan": "edeec63b13c252193d626c2a48d7a2f0e7016dc2",
              "status": "affected",
              "version": "4cdf507d54525842dfd9f6313fdafba039084046",
              "versionType": "git"
            },
            {
              "lessThan": "0cba7ca667ceb06934746ddd9833a25847bde81d",
              "status": "affected",
              "version": "4cdf507d54525842dfd9f6313fdafba039084046",
              "versionType": "git"
            },
            {
              "lessThan": "e088ceb73c24ab4774da391d54a6426f4bfaefce",
              "status": "affected",
              "version": "4cdf507d54525842dfd9f6313fdafba039084046",
              "versionType": "git"
            },
            {
              "lessThan": "e2828e8c605853f71267825c9415437c0a93e4f2",
              "status": "affected",
              "version": "4cdf507d54525842dfd9f6313fdafba039084046",
              "versionType": "git"
            },
            {
              "lessThan": "798c2cf57c63ab39c8aac24d6a3d50f4fa5eeb06",
              "status": "affected",
              "version": "4cdf507d54525842dfd9f6313fdafba039084046",
              "versionType": "git"
            },
            {
              "lessThan": "48d7ee321ea5182c6a70782aa186422a70e67e22",
              "status": "affected",
              "version": "4cdf507d54525842dfd9f6313fdafba039084046",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/ipv4/icmp.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.18"
            },
            {
              "lessThan": "3.18",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.9.*",
              "status": "unaffected",
              "version": "4.9.324",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.14.*",
              "status": "unaffected",
              "version": "4.14.289",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.253",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.207",
              "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": "4.9.324",
                  "versionStartIncluding": "3.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.14.289",
                  "versionStartIncluding": "3.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.19.253",
                  "versionStartIncluding": "3.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.207",
                  "versionStartIncluding": "3.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.132",
                  "versionStartIncluding": "3.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.56",
                  "versionStartIncluding": "3.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.18.13",
                  "versionStartIncluding": "3.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.19",
                  "versionStartIncluding": "3.18",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nicmp: Fix data-races around sysctl.\n\nWhile reading icmp sysctl variables, they can be changed concurrently.\nSo, we need to add READ_ONCE() to avoid data-races."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T19:03:48.438Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/1740e5922fbb705637ae9fa5203db132fc45f9f6"
        },
        {
          "url": "https://git.kernel.org/stable/c/53ecd09ef2fb35fa69667ae8e414ef6b00fd3bf6"
        },
        {
          "url": "https://git.kernel.org/stable/c/edeec63b13c252193d626c2a48d7a2f0e7016dc2"
        },
        {
          "url": "https://git.kernel.org/stable/c/0cba7ca667ceb06934746ddd9833a25847bde81d"
        },
        {
          "url": "https://git.kernel.org/stable/c/e088ceb73c24ab4774da391d54a6426f4bfaefce"
        },
        {
          "url": "https://git.kernel.org/stable/c/e2828e8c605853f71267825c9415437c0a93e4f2"
        },
        {
          "url": "https://git.kernel.org/stable/c/798c2cf57c63ab39c8aac24d6a3d50f4fa5eeb06"
        },
        {
          "url": "https://git.kernel.org/stable/c/48d7ee321ea5182c6a70782aa186422a70e67e22"
        }
      ],
      "title": "icmp: Fix data-races around sysctl.",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49638",
    "datePublished": "2025-02-26T02:23:47.200Z",
    "dateReserved": "2025-02-26T02:21:30.429Z",
    "dateUpdated": "2026-05-11T19:03:48.438Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


Loading…

Loading…