FKIE_CVE-2019-8980

Vulnerability from fkie_nvd - Published: 2019-02-21 05:29 - Updated: 2026-06-17 02:42
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A memory leak in the kernel_read_file function in fs/exec.c in the Linux kernel through 4.20.11 allows attackers to cause a denial of service (memory consumption) by triggering vfs_read failures.
References
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.htmlMailing List, Third Party Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/107120Third Party Advisory, VDB Entry
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2019/05/msg00002.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://support.f5.com/csp/article/K56480726Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3930-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3930-2/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3931-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3931-2/Third Party Advisory
cve@mitre.orghttps://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg1935698.html
cve@mitre.orghttps://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg1935705.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/107120Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/05/msg00002.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.f5.com/csp/article/K56480726Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3930-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3930-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3931-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3931-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg1935698.html
af854a3a-2127-422b-91ae-364da2661108https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg1935705.html
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 5.1
canonical ubuntu_linux 14.04
canonical ubuntu_linux 16.04
canonical ubuntu_linux 18.04
canonical ubuntu_linux 18.10
opensuse leap 15.0
debian debian_linux 8.0
To clipboard 

{
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          "vendor": "n/a",
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A memory leak in the kernel_read_file function in fs/exec.c in the Linux kernel through 4.20.11 allows attackers to cause a denial of service (memory consumption) by triggering vfs_read failures."
    },
    {
      "lang": "es",
      "value": "Una fuga de memoria en la funci\u00f3n kernel_read_file en fs/exec.c en el kernel de Linux, hasta la versi\u00f3n 4.20.11, permite que los atacantes provoquen una denegaci\u00f3n de servicio (consumo de memoria) desencadenando errores en vfs_read."
    }
  ],
  "id": "CVE-2019-8980",
  "lastModified": "2026-06-17T02:42:51.697",
  "metrics": {
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        "baseSeverity": "HIGH",
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          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.8,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
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          "attackVector": "NETWORK",
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          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
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          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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        "source": "nvd@nist.gov",
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  "published": "2019-02-21T05:29:01.197",
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.
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  • 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.



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