fkie_cve-2022-49637
Vulnerability from fkie_nvd
Published
2025-02-26 07:01
Modified
2025-03-11 22:31
Severity ?
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 a data-race around sysctl_fib_sync_mem. While reading sysctl_fib_sync_mem, it can be changed concurrently. So, we need to add READ_ONCE() to avoid a data-race.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/190cd4ff128373271e065afb20f1d2247b3f10c3Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/418b191d5f223a8cb6cab09eae1f72c04ba6adf2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/73318c4b7dbd0e781aaababff17376b2894745c0Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7c1acd98fb221dc0d847451b9ab86319f8b9916cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9be8aac91960ea32fd0e874758c9afee665c57d2Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
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


To clipboard 

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  "descriptions": [
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      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv4: Fix a data-race around sysctl_fib_sync_mem.\n\nWhile reading sysctl_fib_sync_mem, it can be changed concurrently.\nSo, we need to add READ_ONCE() to avoid a data-race."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ipv4: Se ha corregido una ejecuci\u00f3n de datos en torno a sysctl_fib_sync_mem. Al leer sysctl_fib_sync_mem, se puede modificar simult\u00e1neamente. Por lo tanto, debemos agregar READ_ONCE() para evitar una ejecuci\u00f3n de datos."
    }
  ],
  "id": "CVE-2022-49637",
  "lastModified": "2025-03-11T22:31:54.830",
  "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",
          "version": "3.1"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  "published": "2025-02-26T07:01:38.920",
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          "value": "CWE-362"
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      "source": "nvd@nist.gov",
      "type": "Primary"
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}


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