github - ghsa-76x2-j576-5g7r

ghsa-76x2-j576-5g7r

Vulnerability from github

Published

2025-03-12 00:31

Modified

2025-03-12 00:31

Severity ?

4.7 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

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

tcp: Fix a data-race around sysctl_tcp_ecn_fallback.

While reading sysctl_tcp_ecn_fallback, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader.

Show details on source website

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2022-49630"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-362"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-02-26T07:01:38Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: Fix a data-race around sysctl_tcp_ecn_fallback.\n\nWhile reading sysctl_tcp_ecn_fallback, it can be changed concurrently.\nThus, we need to add READ_ONCE() to its reader.",
  "id": "GHSA-76x2-j576-5g7r",
  "modified": "2025-03-12T00:31:47Z",
  "published": "2025-03-12T00:31:47Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49630"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/12b8d9ca7e678abc48195294494f1815b555d658"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1ec3d6c2626ee6e1b36b7bd006873a271406ba61"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8bcf7339f2cf70ea4461df6ea045d1aadfabfa11"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2022-49630 (GCVE-0-2022-49630)

Vulnerability from cvelistv5

Published

2025-02-26 02:23

Modified

2025-05-04 08:42

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctl_tcp_ecn_fallback. While reading sysctl_tcp_ecn_fallback, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader.

References

►

URL

Tags

	https://git.kernel.org/stable/c/8bcf7339f2cf70ea4461df6ea045d1aadfabfa11
	https://git.kernel.org/stable/c/1ec3d6c2626ee6e1b36b7bd006873a271406ba61
	https://git.kernel.org/stable/c/12b8d9ca7e678abc48195294494f1815b555d658

Impacted products

Vendor

Product

Version

►

Version: 492135557dc090a1abb2cfbe1a412757e3ed68ab
Version: 492135557dc090a1abb2cfbe1a412757e3ed68ab
Version: 492135557dc090a1abb2cfbe1a412757e3ed68ab

Version: 4.2

Show details on NVD website

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/ipv4/sysctl_net_ipv4.c",
            "net/ipv4/tcp_output.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "8bcf7339f2cf70ea4461df6ea045d1aadfabfa11",
              "status": "affected",
              "version": "492135557dc090a1abb2cfbe1a412757e3ed68ab",
              "versionType": "git"
            },
            {
              "lessThan": "1ec3d6c2626ee6e1b36b7bd006873a271406ba61",
              "status": "affected",
              "version": "492135557dc090a1abb2cfbe1a412757e3ed68ab",
              "versionType": "git"
            },
            {
              "lessThan": "12b8d9ca7e678abc48195294494f1815b555d658",
              "status": "affected",
              "version": "492135557dc090a1abb2cfbe1a412757e3ed68ab",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/ipv4/sysctl_net_ipv4.c",
            "net/ipv4/tcp_output.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.2"
            },
            {
              "lessThan": "4.2",
              "status": "unaffected",
              "version": "0",
              "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": "5.15.56",
                  "versionStartIncluding": "4.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.18.13",
                  "versionStartIncluding": "4.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.19",
                  "versionStartIncluding": "4.2",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: Fix a data-race around sysctl_tcp_ecn_fallback.\n\nWhile reading sysctl_tcp_ecn_fallback, it can be changed concurrently.\nThus, we need to add READ_ONCE() to its reader."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T08:42:10.240Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/8bcf7339f2cf70ea4461df6ea045d1aadfabfa11"
        },
        {
          "url": "https://git.kernel.org/stable/c/1ec3d6c2626ee6e1b36b7bd006873a271406ba61"
        },
        {
          "url": "https://git.kernel.org/stable/c/12b8d9ca7e678abc48195294494f1815b555d658"
        }
      ],
      "title": "tcp: Fix a data-race around sysctl_tcp_ecn_fallback.",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49630",
    "datePublished": "2025-02-26T02:23:43.249Z",
    "dateReserved": "2025-02-26T02:21:30.422Z",
    "dateUpdated": "2025-05-04T08:42:10.240Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Log in or create an account to share your comment.

Tags

Taxonomy of the tags.

All sightings related to this event Export sightings related to this event

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.
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.