csaf_redhat - rhsa-2018

rhsa-2018_1416

Vulnerability from csaf_redhat

Published

2018-05-14 14:45

Modified

2024-11-15 03:04

Summary

Red Hat Security Advisory: qemu-kvm security update

Notes

Topic

An update for qemu-kvm is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Details

Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM. Security Fix(es): * QEMU: cirrus: OOB access when updating VGA display (CVE-2018-7858) For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section. Red Hat would like to thank Ross Lagerwall (Citrix.com) for reporting this issue.

This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

JSON

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        "text": "Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM.\n\nSecurity Fix(es):\n\n* QEMU: cirrus: OOB access when updating VGA display (CVE-2018-7858)\n\nFor more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.\n\nRed Hat would like to thank Ross Lagerwall (Citrix.com) for reporting this issue.",
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        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
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          "title": "Vulnerability description"
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          "title": "Vulnerability summary"
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      "threats": [
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      "title": "QEMU: cirrus: OOB access when updating VGA display"
    }
  ]
}

cve-2018-7858

Vulnerability from cvelistv5

Published

2018-03-12 21:00

Modified

2024-08-05 06:37

Severity ?

Summary

Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.

References

▼	URL	Tags
	https://access.redhat.com/errata/RHSA-2018:2162	vendor-advisory, x_refsource_REDHAT
	https://bugzilla.redhat.com/show_bug.cgi?id=1553402	x_refsource_CONFIRM
	https://access.redhat.com/errata/RHSA-2018:1369	vendor-advisory, x_refsource_REDHAT
	https://usn.ubuntu.com/3649-1/	vendor-advisory, x_refsource_UBUNTU
	https://access.redhat.com/errata/RHSA-2018:1416	vendor-advisory, x_refsource_REDHAT
	http://www.securityfocus.com/bid/103350	vdb-entry, x_refsource_BID
	http://www.openwall.com/lists/oss-security/2018/03/09/1	mailing-list, x_refsource_MLIST
	https://lists.nongnu.org/archive/html/qemu-devel/2018-03/msg02174.html	mailing-list, x_refsource_MLIST
	http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html	vendor-advisory, x_refsource_SUSE

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

JSON

To clipboard

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              "url": "http://www.openwall.com/lists/oss-security/2018/03/09/1"
            },
            {
              "name": "[qemu-devel] 20180308 [PATCH] vga: fix region calculation",
              "refsource": "MLIST",
              "url": "https://lists.nongnu.org/archive/html/qemu-devel/2018-03/msg02174.html"
            },
            {
              "name": "openSUSE-SU-2019:1074",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2018-7858",
    "datePublished": "2018-03-12T21:00:00",
    "dateReserved": "2018-03-08T00:00:00",
    "dateUpdated": "2024-08-05T06:37:59.526Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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