CVE-2018-18690 (GCVE-0-2018-18690)

Vulnerability from cvelistv5 – Published: 2018-10-26 18:00 – Updated: 2024-08-05 11:16
VLAI?
Summary
In the Linux kernel before 4.17, a local attacker able to set attributes on an xfs filesystem could make this filesystem non-operational until the next mount by triggering an unchecked error condition during an xfs attribute change, because xfs_attr_shortform_addname in fs/xfs/libxfs/xfs_attr.c mishandles ATTR_REPLACE operations with conversion of an attr from short to long form.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
https://usn.ubuntu.com/3848-2/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3847-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3847-2/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3849-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3849-2/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3848-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3847-3/ vendor-advisoryx_refsource_UBUNTU
https://bugzilla.suse.com/show_bug.cgi?id=1105025 x_refsource_MISC
http://www.securityfocus.com/bid/105753 vdb-entryx_refsource_BID
https://bugzilla.kernel.org/show_bug.cgi?id=199119 x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2019… mailing-listx_refsource_MLIST
http://git.kernel.org/cgit/linux/kernel/git/torva… x_refsource_MISC
https://github.com/torvalds/linux/commit/7b38460d… x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2019… mailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2019… mailing-listx_refsource_MLIST
Show details on NVD website

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      "references": "[{\"url\": \"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7b38460dc8e4eafba06c78f8e37099d3b34d473c\", \"source\": \"cve@mitre.org\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}, {\"url\": \"http://www.securityfocus.com/bid/105753\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"https://bugzilla.kernel.org/show_bug.cgi?id=199119\", \"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Issue Tracking\", \"Vendor Advisory\"]}, {\"url\": \"https://bugzilla.suse.com/show_bug.cgi?id=1105025\", \"source\": \"cve@mitre.org\", \"tags\": [\"Issue Tracking\", \"Third Party Advisory\"]}, {\"url\": \"https://github.com/torvalds/linux/commit/7b38460dc8e4eafba06c78f8e37099d3b34d473c\", \"source\": \"cve@mitre.org\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html\", \"source\": \"cve@mitre.org\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html\", \"source\": \"cve@mitre.org\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html\", \"source\": \"cve@mitre.org\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://usn.ubuntu.com/3847-1/\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://usn.ubuntu.com/3847-2/\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://usn.ubuntu.com/3847-3/\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://usn.ubuntu.com/3848-1/\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://usn.ubuntu.com/3848-2/\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://usn.ubuntu.com/3849-1/\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://usn.ubuntu.com/3849-2/\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7b38460dc8e4eafba06c78f8e37099d3b34d473c\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}, {\"url\": \"http://www.securityfocus.com/bid/105753\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"https://bugzilla.kernel.org/show_bug.cgi?id=199119\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Issue Tracking\", \"Vendor Advisory\"]}, {\"url\": \"https://bugzilla.suse.com/show_bug.cgi?id=1105025\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Issue Tracking\", \"Third Party Advisory\"]}, {\"url\": \"https://github.com/torvalds/linux/commit/7b38460dc8e4eafba06c78f8e37099d3b34d473c\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://usn.ubuntu.com/3847-1/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://usn.ubuntu.com/3847-2/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://usn.ubuntu.com/3847-3/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://usn.ubuntu.com/3848-1/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://usn.ubuntu.com/3848-2/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://usn.ubuntu.com/3849-1/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://usn.ubuntu.com/3849-2/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}]",
      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-754\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2018-18690\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2018-10-26T18:29:00.227\",\"lastModified\":\"2024-11-21T03:56:22.760\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel before 4.17, a local attacker able to set attributes on an xfs filesystem could make this filesystem non-operational until the next mount by triggering an unchecked error condition during an xfs attribute change, because xfs_attr_shortform_addname in fs/xfs/libxfs/xfs_attr.c mishandles ATTR_REPLACE operations with conversion of an attr from short to long form.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux en versiones anteriores a la 4.17, un atacante local que sea capaz de establecer atributos en un sistema de archivos xfs podr\u00eda hacer que este sistema de archivos no est\u00e9 operativo hasta el siguiente montaje desencadenando una condici\u00f3n de error no marcada. Esto se debe a que xfs_attr_shortform_addname en fs/xfs/libxfs/xfs_attr.c gestiona de manera incorrecta las operaciones ATTR_REPLACE con la conversi\u00f3n de un attr de forma corta a forma 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  }
}


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Sightings

Author Source Type Date

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.


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