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CVE-2018-20124 (GCVE-0-2018-20124)

Vulnerability from cvelistv5 – Published: 2018-12-20 22:00 – Updated: 2024-08-05 11:51
VLAI
Summary
hw/rdma/rdma_backend.c in QEMU allows guest OS users to trigger out-of-bounds access via a PvrdmaSqWqe ring element with a large num_sge value.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • n/a
Assigner
References
URL Tags
https://lists.gnu.org/archive/html/qemu-devel/201… mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2018/12/18/2 mailing-listx_refsource_MLIST
http://www.securityfocus.com/bid/106290 vdb-entryx_refsource_BID
https://usn.ubuntu.com/3923-1/ vendor-advisoryx_refsource_UBUNTU
Date Public
2018-12-18 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

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.


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