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CVE-2019-17056 (GCVE-0-2019-17056)

Vulnerability from cvelistv5 – Published: 2019-10-01 13:10 – Updated: 2024-08-05 01:33
VLAI
Summary
llcp_sock_create in net/nfc/llcp_sock.c in the AF_NFC network module in the Linux kernel through 5.3.2 does not enforce CAP_NET_RAW, which means that unprivileged users can create a raw socket, aka CID-3a359798b176.
Severity
3.3 (Low)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
  • n/a
Assigner
References
URL Tags
https://git.kernel.org/pub/scm/linux/kernel/git/t… x_refsource_MISC
https://git.kernel.org/pub/scm/linux/kernel/git/t… x_refsource_MISC
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://seclists.org/bugtraq/2019/Nov/11 mailing-listx_refsource_BUGTRAQ
http://packetstormsecurity.com/files/155212/Slack… x_refsource_MISC
https://usn.ubuntu.com/4185-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4184-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4186-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4185-2/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4186-2/ vendor-advisoryx_refsource_UBUNTU
https://lists.debian.org/debian-lts-announce/2020… mailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2020… mailing-listx_refsource_MLIST
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      "sourceIdentifier": "cve@mitre.org",
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      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-276\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2019-17056\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2019-10-01T14:15:55.773\",\"lastModified\":\"2024-11-21T04:31:36.897\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"llcp_sock_create in net/nfc/llcp_sock.c in the AF_NFC network module in the Linux kernel through 5.3.2 does not enforce CAP_NET_RAW, which means that unprivileged users can create a raw socket, aka CID-3a359798b176.\"},{\"lang\":\"es\",\"value\":\"La funci\u00f3n llcp_sock_create en el archivo net/nfc/llcp_sock.c en el m\u00f3dulo de red AF_NFC en el kernel de Linux versiones hasta 5.3.2 no aplica CAP_NET_RAW, lo que significa que los usuarios no privilegiados pueden crear un socket en bruto, tambi\u00e9n se conoce como CID-3a359798b176.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N\",\"baseScore\":3.3,\"baseSeverity\":\"LOW\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.8,\"impactScore\":1.4}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:N/I:P/A:N\",\"baseScore\":2.1,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":3.9,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-276\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"5.3.2\",\"matchCriteriaId\":\"6098E9F1-1520-4DC7-AC82-4D7506570A02\"}]}]}],\"references\":[{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00064.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00010.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0edc3f703f7bcaf550774b5d43ab727bcd0fe06b\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3a359798b176183ef09efb7a3dc59abad1cc7104\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U6JNEWGIK7QA24OIUUL67QZNJN52NB7T/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://seclists.org/bugtraq/2019/Nov/11\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://usn.ubuntu.com/4184-1/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://usn.ubuntu.com/4185-1/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://usn.ubuntu.com/4185-2/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://usn.ubuntu.com/4186-1/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://usn.ubuntu.com/4186-2/\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00064.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00010.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0edc3f703f7bcaf550774b5d43ab727bcd0fe06b\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3a359798b176183ef09efb7a3dc59abad1cc7104\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U6JNEWGIK7QA24OIUUL67QZNJN52NB7T/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://seclists.org/bugtraq/2019/Nov/11\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://usn.ubuntu.com/4184-1/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://usn.ubuntu.com/4185-1/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://usn.ubuntu.com/4185-2/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://usn.ubuntu.com/4186-1/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://usn.ubuntu.com/4186-2/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T11:55:34+00:00",
      "cve": "CVE-2019-17056",
      "id": "CVE-2019-17056",
      "initial_release_date": "2019-09-20T00:00:00+00:00",
      "product_status:known_not_affected": "93",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: unprivileged access to llcp_sock_create in net/nfc/llcp_sock.c in the AF_NFC socket type.",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-17056.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-08T00:23:30Z",
      "cve": "CVE-2019-17056",
      "id": "CVE-2019-17056",
      "initial_release_date": "2023-02-15T04:07:38Z",
      "product_status:known_affected": "128",
      "product_status:known_not_affected": "47",
      "product_status:recommended": "826",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2019-17056",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2019-17056.json",
      "version": "27"
    }
  }
}



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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

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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.