CVE-2019-11599 (GCVE-0-2019-11599)

Vulnerability from cvelistv5 – Published: 2019-04-29 17:07 – Updated: 2024-08-04 22:55
VLAI
Summary
The coredump implementation in the Linux kernel before 5.0.10 does not use locking or other mechanisms to prevent vma layout or vma flags changes while it runs, which allows local users to obtain sensitive information, cause a denial of service, or possibly have unspecified other impact by triggering a race condition with mmget_not_zero or get_task_mm calls. This is related to fs/userfaultfd.c, mm/mmap.c, fs/proc/task_mmu.c, and drivers/infiniband/core/uverbs_main.c.
Severity
7.0 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
URL Tags
http://www.openwall.com/lists/oss-security/2019/04/29/2 mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2019/04/29/1 mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2019/04/30/1 mailing-listx_refsource_MLIST
https://www.exploit-db.com/exploits/46781/ exploitx_refsource_EXPLOIT-DB
http://www.securityfocus.com/bid/108113 vdb-entryx_refsource_BID
https://lists.debian.org/debian-lts-announce/2019… mailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2019… mailing-listx_refsource_MLIST
https://www.debian.org/security/2019/dsa-4465 vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2019… mailing-listx_refsource_MLIST
https://seclists.org/bugtraq/2019/Jun/26 mailing-listx_refsource_BUGTRAQ
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/Jul/33 mailing-listx_refsource_BUGTRAQ
https://usn.ubuntu.com/4069-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4069-2/ vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2019:2043 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:2029 vendor-advisoryx_refsource_REDHAT
https://usn.ubuntu.com/4095-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4115-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4118-1/ vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2019:3309 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:3517 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2020:0100 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2020:0103 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2020:0179 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2020:0543 vendor-advisoryx_refsource_REDHAT
https://www.oracle.com/security-alerts/cpuApr2021.html x_refsource_MISC
https://cdn.kernel.org/pub/linux/kernel/v4.x/Chan… x_refsource_MISC
https://cdn.kernel.org/pub/linux/kernel/v4.x/Chan… x_refsource_MISC
https://cdn.kernel.org/pub/linux/kernel/v5.x/Chan… x_refsource_MISC
https://bugs.chromium.org/p/project-zero/issues/d… x_refsource_MISC
https://github.com/torvalds/linux/commit/04f5866e… x_refsource_MISC
https://git.kernel.org/cgit/linux/kernel/git/torv… x_refsource_MISC
http://packetstormsecurity.com/files/152663/Linux… x_refsource_MISC
https://security.netapp.com/advisory/ntap-2019051… x_refsource_CONFIRM
https://support.f5.com/csp/article/K51674118 x_refsource_CONFIRM
http://packetstormsecurity.com/files/153702/Slack… x_refsource_MISC
https://support.f5.com/csp/article/K51674118?utm_… x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-2020060… x_refsource_CONFIRM
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      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-667\"}]}]"
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This is related to fs/userfaultfd.c, mm/mmap.c, fs/proc/task_mmu.c, and drivers/infiniband/core/uverbs_main.c.\"},{\"lang\":\"es\",\"value\":\"La implementaci\u00f3n del coredump en el kernel de Linux en versiones anteriores a 5.0.10,  no utiliza mecanismos de bloqueo u otros mecanismos para evitar cambios en el layout de vma o en los flags vma mientras se ejecuta, lo que permite a los usuarios locales obtener informaci\u00f3n sensible, causar una denegaci\u00f3n de servicio o posiblemente tener otro impacto no especificado al activar una condici\u00f3n de carrera con llamadas mmget_not_zero o get_task_mm. Esto est\u00e1 relacionado con fs/userfaultfd.c, mm/mmap.c, fs/proc/task_mmu.c, y 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  }
}


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Tags
Taxonomy of the tags.





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.