FKIE_CVE-2020-10942

Vulnerability from fkie_nvd - Published: 2020-03-24 22:15 - Updated: 2026-06-17 02:48
Severity
5.3 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
Summary
In the Linux kernel before 5.5.8, get_raw_socket in drivers/vhost/net.c lacks validation of an sk_family field, which might allow attackers to trigger kernel stack corruption via crafted system calls.
References
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.htmlMailing List, Third Party Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2020/04/15/4Mailing List, Third Party Advisory
cve@mitre.orghttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.8Release Notes, Vendor Advisory
cve@mitre.orghttps://git.kernel.org/linus/42d84c8490f9f0931786f1623191fcab397c3d64Patch, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2020/06/msg00013.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lkml.org/lkml/2020/2/15/125Exploit, Patch, Vendor Advisory
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20200403-0003/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/4342-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/4344-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/4345-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/4364-1/Third Party Advisory
cve@mitre.orghttps://www.debian.org/security/2020/dsa-4667Third Party Advisory
cve@mitre.orghttps://www.debian.org/security/2020/dsa-4698Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2020/04/15/4Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.8Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/linus/42d84c8490f9f0931786f1623191fcab397c3d64Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/06/msg00013.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lkml.org/lkml/2020/2/15/125Exploit, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20200403-0003/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4342-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4344-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4345-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4364-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2020/dsa-4667Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2020/dsa-4698Third Party Advisory
Impacted products
Vendor Product Version
linux linux_kernel *
opensuse leap 15.1
debian debian_linux 8.0
debian debian_linux 9.0
debian debian_linux 10.0
canonical ubuntu_linux 14.04
canonical ubuntu_linux 16.04
canonical ubuntu_linux 18.04
canonical ubuntu_linux 19.10
To clipboard 

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          "vendor": "n/a",
          "versions": [
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              "status": "affected",
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      "value": "In the Linux kernel before 5.5.8, get_raw_socket in drivers/vhost/net.c lacks validation of an sk_family field, which might allow attackers to trigger kernel stack corruption via crafted system calls."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux versiones anteriores a 5.5.8, la funci\u00f3n get_raw_socket en el archivo drivers/vhost/net.c carece de una comprobaci\u00f3n de un campo sk_family, que podr\u00eda permitir a atacantes desencadenar una corrupci\u00f3n de pila del kernel por medio de llamadas de sistema dise\u00f1adas."
    }
  ],
  "id": "CVE-2020-10942",
  "lastModified": "2026-06-17T02:48:43.460",
  "metrics": {
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        "baseSeverity": "MEDIUM",
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          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 5.4,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:M/Au:N/C:N/I:P/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 7.8,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
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          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
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          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H",
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        "source": "nvd@nist.gov",
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  "published": "2020-03-24T22:15:12.470",
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  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "nvd@nist.gov",
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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.
  • 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.



Related by attack behaviour

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