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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": "2026-09-01T02:16:05Z",
      "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": "39"
    }
  }
}



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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.