CVE-2017-5669 (GCVE-0-2017-5669)

Vulnerability from cvelistv5 – Published: 2017-02-24 15:00 – Updated: 2024-08-05 15:11
VLAI?
Summary
The do_shmat function in ipc/shm.c in the Linux kernel through 4.9.12 does not restrict the address calculated by a certain rounding operation, which allows local users to map page zero, and consequently bypass a protection mechanism that exists for the mmap system call, by making crafted shmget and shmat system calls in a privileged context.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
https://usn.ubuntu.com/3583-2/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3583-1/ vendor-advisoryx_refsource_UBUNTU
http://www.securitytracker.com/id/1037918 vdb-entryx_refsource_SECTRACK
http://www.securityfocus.com/bid/96754 vdb-entryx_refsource_BID
http://www.debian.org/security/2017/dsa-3804 vendor-advisoryx_refsource_DEBIAN
https://bugzilla.kernel.org/show_bug.cgi?id=192931 x_refsource_MISC
https://github.com/torvalds/linux/commit/95e91b83… x_refsource_MISC
https://github.com/torvalds/linux/commit/e1d35d4d… x_refsource_MISC
Date Public ?
2017-02-09 00:00
Show details on NVD website
To clipboard 

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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.



Detection rules are retrieved from Rulezet.