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CVE-2016-5126 (GCVE-0-2016-5126)

Vulnerability from cvelistv5 – Published: 2016-06-01 22:00 – Updated: 2024-08-06 00:53
VLAI
Summary
Heap-based buffer overflow in the iscsi_aio_ioctl function in block/iscsi.c in QEMU allows local guest OS users to cause a denial of service (QEMU process crash) or possibly execute arbitrary code via a crafted iSCSI asynchronous I/O ioctl call.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
URL Tags
http://rhn.redhat.com/errata/RHSA-2016-1756.html vendor-advisoryx_refsource_REDHAT
http://www.ubuntu.com/usn/USN-3047-1 vendor-advisoryx_refsource_UBUNTU
http://rhn.redhat.com/errata/RHSA-2016-1655.html vendor-advisoryx_refsource_REDHAT
http://www.openwall.com/lists/oss-security/2016/05/30/6 mailing-listx_refsource_MLIST
http://rhn.redhat.com/errata/RHSA-2016-1763.html vendor-advisoryx_refsource_REDHAT
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
http://www.securityfocus.com/bid/90948 vdb-entryx_refsource_BID
http://rhn.redhat.com/errata/RHSA-2016-1653.html vendor-advisoryx_refsource_REDHAT
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=a6… x_refsource_CONFIRM
http://rhn.redhat.com/errata/RHSA-2016-1607.html vendor-advisoryx_refsource_REDHAT
http://rhn.redhat.com/errata/RHSA-2016-1654.html vendor-advisoryx_refsource_REDHAT
https://security.gentoo.org/glsa/201609-01 vendor-advisoryx_refsource_GENTOO
http://www.ubuntu.com/usn/USN-3047-2 vendor-advisoryx_refsource_UBUNTU
http://rhn.redhat.com/errata/RHSA-2016-1606.html vendor-advisoryx_refsource_REDHAT
http://www.openwall.com/lists/oss-security/2016/05/30/7 mailing-listx_refsource_MLIST
https://lists.gnu.org/archive/html/qemu-block/201… mailing-listx_refsource_MLIST
https://bugzilla.redhat.com/show_bug.cgi?id=1340924 x_refsource_CONFIRM
https://lists.debian.org/debian-lts-announce/2019… mailing-listx_refsource_MLIST
Date Public
2016-05-24 00:00
Show details on NVD website
To clipboard 

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Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2019/09/msg00021.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.gnu.org/archive/html/qemu-block/2016-05/msg00779.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/201609-01\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T11:02:18+00:00",
      "cve": "CVE-2016-5126",
      "id": "CVE-2016-5126",
      "initial_release_date": "2016-05-24T00:00:00+00:00",
      "product_status:fixed": "128",
      "product_status:known_not_affected": "13",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Qemu: block: iscsi: buffer overflow in iscsi_aio_ioctl",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-5126.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-16T23:53:13Z",
      "cve": "CVE-2016-5126",
      "id": "CVE-2016-5126",
      "initial_release_date": "2023-02-15T05:01:51Z",
      "product_status:known_affected": "396",
      "product_status:known_not_affected": "170",
      "product_status:recommended": "1853",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2016-5126",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2016-5126.json",
      "version": "40"
    }
  }
}



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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.