Vulnerability-Lookup

FKIE_CVE-2022-49576

Vulnerability from fkie_nvd - Published: 2025-02-26 07:01 - Updated: 2026-06-17 05:18

Severity

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

Summary

In the Linux kernel, the following vulnerability has been resolved: ipv4: Fix data-races around sysctl_fib_multipath_hash_fields. While reading sysctl_fib_multipath_hash_fields, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/36f5b86f309b3b11295d087cd7433f1c897caf94	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/548d6678c4a3d43667e59686665f8674b82440a3	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/8895a9c2ac76fb9d3922fed4fe092c8ec5e5cccc	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	5.19
linux	linux_kernel	5.19
linux	linux_kernel	5.19
linux	linux_kernel	5.19
linux	linux_kernel	5.19
linux	linux_kernel	5.19
linux	linux_kernel	5.19

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c",
            "net/ipv4/route.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "36f5b86f309b3b11295d087cd7433f1c897caf94",
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              "version": "ce5c9c20d364f156c885efed8c71fca2945db00f",
              "versionType": "git"
            },
            {
              "lessThan": "548d6678c4a3d43667e59686665f8674b82440a3",
              "status": "affected",
              "version": "ce5c9c20d364f156c885efed8c71fca2945db00f",
              "versionType": "git"
            },
            {
              "lessThan": "8895a9c2ac76fb9d3922fed4fe092c8ec5e5cccc",
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              "version": "ce5c9c20d364f156c885efed8c71fca2945db00f",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c",
            "net/ipv4/route.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.14"
            },
            {
              "lessThan": "5.14",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.58",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "5.18.15",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "5.19",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv4: Fix data-races around sysctl_fib_multipath_hash_fields.\n\nWhile reading sysctl_fib_multipath_hash_fields, it can be changed\nconcurrently.  Thus, we need to add READ_ONCE() to its readers."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ipv4: Se han corregido las ejecuciones de datos en torno a sysctl_fib_multipath_hash_fields. Al leer sysctl_fib_multipath_hash_fields, se puede modificar simult\u00e1neamente. Por lo tanto, debemos agregar READ_ONCE() a sus lectores."
    }
  ],
  "id": "CVE-2022-49576",
  "lastModified": "2026-06-17T05:18:30.050",
  "metrics": {
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      {
        "cvssData": {
          "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",
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
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          "options": [
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            },
            {
              "technicalImpact": "partial"
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          "role": "CISA Coordinator",
          "timestamp": "2025-10-01T19:36:30.464550Z",
          "version": "2.0.3"
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  "published": "2025-02-26T07:01:33.243",
  "references": [
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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    },
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    },
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  "vulnStatus": "Modified",
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          "lang": "en",
          "value": "CWE-362"
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      "source": "nvd@nist.gov",
      "type": "Primary"
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    {
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          "value": "CWE-362"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}

CVE-2022-49576 (GCVE-0-2022-49576)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:23 – Updated: 2026-05-11 19:02

Title

ipv4: Fix data-races around sysctl_fib_multipath_hash_fields.

Summary

Severity

4.7 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Assigner

Linux

References

3 references

URL	Tags
https://git.kernel.org/stable/c/36f5b86f309b3b112…
https://git.kernel.org/stable/c/548d6678c4a3d4366…
https://git.kernel.org/stable/c/8895a9c2ac76fb9d3…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: ce5c9c20d364f156c885efed8c71fca2945db00f , < 36f5b86f309b3b11295d087cd7433f1c897caf94 (git) Affected: ce5c9c20d364f156c885efed8c71fca2945db00f , < 548d6678c4a3d43667e59686665f8674b82440a3 (git) Affected: ce5c9c20d364f156c885efed8c71fca2945db00f , < 8895a9c2ac76fb9d3922fed4fe092c8ec5e5cccc (git)
Linux	Linux	Affected: 5.14 Unaffected: 0 , < 5.14 (semver) Unaffected: 5.15.58 , ≤ 5.15.* (semver) Unaffected: 5.18.15 , ≤ 5.18.* (semver) Unaffected: 5.19 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "HIGH",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
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              "confidentialityImpact": "NONE",
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              "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",
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                "id": "CVE-2022-49576",
                "options": [
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                    "Exploitation": "none"
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                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
                "timestamp": "2025-10-01T19:36:30.464550Z",
                "version": "2.0.3"
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              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
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            "descriptions": [
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                "cweId": "CWE-362",
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                "lang": "en",
                "type": "CWE"
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        "providerMetadata": {
          "dateUpdated": "2025-10-01T19:36:55.400Z",
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          "shortName": "CISA-ADP"
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          "defaultStatus": "unaffected",
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    "datePublished": "2025-02-26T02:23:16.629Z",
    "dateReserved": "2025-02-26T02:21:30.411Z",
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}

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.

Action not permitted

FKIE_CVE-2022-49576

CVE-2022-49576 (GCVE-0-2022-49576)

Tags

Sightings

Nomenclature