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MediumFix available

tcp: Fix a data-race around sysctl_tcp_probe_threshold.

Type: advisorySources: OSV

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

Products
Kernel
Affected versions
Not specified
Fixed versions
4.14.290, 4.19.254, 4.9.325, 5.10.134, 5.15.58, 5.18.15, 5.4.208
CVEs
CVE-2022-49595
Confirmed fixed CVEs
Not specified
Updated in this feed
4 Nov 2026, 19:03 UTC · Revision 1

Source evidence

tcp: Fix a data-race around sysctl_tcp_probe_threshold.

core-osv · Original source

Published 26 Feb 2025, 02:23 UTC

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

osv:CVE-2022-49595

Kernel

Fixed versions: 4.9.325, 4.14.290, 4.19.254, 5.4.208, 5.10.134, 5.15.58, 5.18.15

Complete source record
{
  "id": "293e9bd148fd277565cb30abd33960facb72cd024dea39c8a46874b07c9f2c2f",
  "url": "https://osv.dev/vulnerability/CVE-2022-49595",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "tcp: Fix a data-race around sysctl_tcp_probe_threshold.",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctl_tcp_probe_threshold. While reading sysctl_tcp_probe_threshold, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader.",
    "evidence": "osv:CVE-2022-49595",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
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            "value": "4.9.325",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "4.14.290",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "4.19.254",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.4.208",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.10.134",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.58",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.18.15",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CVE-2022-49595",
      "aliases": [
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      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
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          "ranges": [
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              "type": "GIT",
              "events": [
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                {
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          ],
          "database_specific": {
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        {
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                  "introduced": "4.1.0"
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            {
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            {
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                  "introduced": "5.5.0"
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            },
            {
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          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49595.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:38.765776199Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/44768749980d53bc01980d9c060f736808d11af0",
        "https://git.kernel.org/stable/c/92c0aa4175474483d6cf373314343d4e624e882a",
        "https://git.kernel.org/stable/c/96900fa61777402eb5056269d8000aace33a8b6c",
        "https://git.kernel.org/stable/c/9b5dc7ad6da1373d3c60d4b869d688f996e5d219",
        "https://git.kernel.org/stable/c/b04817c94fbd285a967d9b830b274fe9998c9c0b",
        "https://git.kernel.org/stable/c/d452ce36f2d4c402fa3f5275c9677f80166e7fc6",
        "https://git.kernel.org/stable/c/f524c3e7f6cdad66b3b6a912cef47b656f8b0de3",
        "https://git.kernel.org/stable/c/fa5fb2cf9393db898772db8cb897ed5fd265eb78",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49595.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-49595",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49595.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-49595",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 505970,
  "published_at": "2025-02-26T02:23:26.012+00:00"
}