rhsa-2017_0350
Vulnerability from csaf_redhat
Published
2017-03-01 07:59
Modified
2024-11-14 22:38
Summary
Red Hat Security Advisory: qemu-kvm-rhev security and bug fix update
Notes
Topic
An update for qemu-kvm-rhev is now available for RHEV 3.X Hypervisor and Agents for RHEL-7 and RHEV 4.X RHEV-H and Agents for RHEL-7.
Red Hat Product Security has rated this update as having a security impact of Important. 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
KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products.
Security Fix(es):
* Quick emulator (QEMU) built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while copying VGA data via bitblt copy in backward mode. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS or potentially execute arbitrary code on the host with privileges of QEMU process on the host. (CVE-2017-2615)
* Quick emulator (QEMU) built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process. (CVE-2017-2620)
* An out-of-bounds read-access flaw was found in the QEMU emulator built with IP checksum routines. The flaw could occur when computing a TCP/UDP packet's checksum, because a QEMU function used the packet's payload length without checking against the data buffer's size. A user inside a guest could use this flaw to crash the QEMU process (denial of service). (CVE-2016-2857)
Red Hat would like to thank Wjjzhang (Tencent.com Inc.) and Li Qiang (360.cn Inc.) for reporting CVE-2017-2615 and Ling Liu (Qihoo 360 Inc.) for reporting CVE-2016-2857.
Bug Fix(es):
* Prior to this update, after migrating a guest virtual machine on the little-endian variant of IBM Power Systems and resetting the guest, the guest boot process failed with a "tcmalloc: large alloc" error message. This update fixes the bug, and the described problem no longer occurs. (BZ#1420456)
* The qemu-kvm-rhev package depends on the usbredir and libcacard packages. However, on the little-endian variant of IBM Power Systems, smartcard use is not supported and usbredir and libcacard are thus only available in the Optional channel. As a consequence, qemu-kvm-rhev was previously not installable on these systems if the Optional channel was not available for the user. This update removes usbredir and libcacard as dependencies of qemu-kvm-rhev on little-endian IBM Power Systems, and qemu-kvm-rhev can now be installed as expected in the described scenario. (BZ#1420428)
Terms of Use
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.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for qemu-kvm-rhev is now available for RHEV 3.X Hypervisor and Agents for RHEL-7 and RHEV 4.X RHEV-H and Agents for RHEL-7.\n\nRed Hat Product Security has rated this update as having a security impact of Important. 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.", "title": "Topic" }, { "category": "general", "text": "KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products.\n\nSecurity Fix(es):\n\n* Quick emulator (QEMU) built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while copying VGA data via bitblt copy in backward mode. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS or potentially execute arbitrary code on the host with privileges of QEMU process on the host. (CVE-2017-2615)\n\n* Quick emulator (QEMU) built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process. (CVE-2017-2620)\n\n* An out-of-bounds read-access flaw was found in the QEMU emulator built with IP checksum routines. The flaw could occur when computing a TCP/UDP packet\u0027s checksum, because a QEMU function used the packet\u0027s payload length without checking against the data buffer\u0027s size. A user inside a guest could use this flaw to crash the QEMU process (denial of service). (CVE-2016-2857)\n\nRed Hat would like to thank Wjjzhang (Tencent.com Inc.) and Li Qiang (360.cn Inc.) for reporting CVE-2017-2615 and Ling Liu (Qihoo 360 Inc.) for reporting CVE-2016-2857.\n\nBug Fix(es):\n\n* Prior to this update, after migrating a guest virtual machine on the little-endian variant of IBM Power Systems and resetting the guest, the guest boot process failed with a \"tcmalloc: large alloc\" error message. This update fixes the bug, and the described problem no longer occurs. (BZ#1420456)\n\n* The qemu-kvm-rhev package depends on the usbredir and libcacard packages. However, on the little-endian variant of IBM Power Systems, smartcard use is not supported and usbredir and libcacard are thus only available in the Optional channel. As a consequence, qemu-kvm-rhev was previously not installable on these systems if the Optional channel was not available for the user. This update removes usbredir and libcacard as dependencies of qemu-kvm-rhev on little-endian IBM Power Systems, and qemu-kvm-rhev can now be installed as expected in the described scenario. (BZ#1420428)", "title": "Details" }, { "category": "legal_disclaimer", "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.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2017:0350", "url": "https://access.redhat.com/errata/RHSA-2017:0350" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "1296567", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1296567" }, { "category": "external", "summary": "1418200", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1418200" }, { "category": "external", "summary": "1420428", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1420428" }, { "category": "external", "summary": "1420456", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1420456" }, { "category": "external", "summary": "1420484", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1420484" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2017/rhsa-2017_0350.json" } ], "title": "Red Hat Security Advisory: qemu-kvm-rhev security and bug fix update", "tracking": { "current_release_date": "2024-11-14T22:38:30+00:00", "generator": { "date": "2024-11-14T22:38:30+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2017:0350", "initial_release_date": "2017-03-01T07:59:14+00:00", "revision_history": [ { "date": "2017-03-01T07:59:14+00:00", "number": "1", "summary": "Initial version" }, { "date": "2017-03-01T07:59:14+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-14T22:38:30+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "RHEV-H and VDSM for 7 Hosts", "product": { "name": "RHEV-H and VDSM for 7 Hosts", "product_id": "7Server-RHEV-Agents-7", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor" } } }, { "category": "product_name", "name": "Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts", "product": { "name": "Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts", "product_id": "7Server-RHEV-4-Agents-7", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor" } } } ], "category": "product_family", "name": "Red Hat Virtualization" }, { "branches": [ { "category": "product_version", "name": 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"vulnerabilities": [ { "acknowledgments": [ { "names": [ "Ling Liu" ], "organization": "Qihoo 360 Inc." } ], "cve": "CVE-2016-2857", "cwe": { "id": "CWE-125", "name": "Out-of-bounds Read" }, "discovery_date": "2016-01-07T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1296567" } ], "notes": [ { "category": "description", "text": "An out-of-bounds read-access flaw was found in the QEMU emulator built with IP checksum routines. The flaw could occur when computing a TCP/UDP packet\u0027s checksum, because a QEMU function used the packet\u0027s payload length without checking against the data buffer\u0027s size. A user inside a guest could use this flaw to crash the QEMU process (denial of service).", "title": "Vulnerability description" }, { "category": "summary", "text": "Qemu: net: out of bounds read in net_checksum_calculate()", "title": "Vulnerability summary" }, { "category": "other", "text": "This has been rated as having Low security impact and is not currently\nplanned to be addressed in future updates. For additional information, refer\nto the Red Hat Enterprise Linux Life Cycle:\nhttps://access.redhat.com/support/policy/updates/errata/.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RHEV-4-Agents-7:qemu-img-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-img-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.src", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-img-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-img-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.src", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.6.0-28.el7_3.6.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2016-2857" }, { "category": "external", "summary": "RHBZ#1296567", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1296567" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2016-2857", "url": "https://www.cve.org/CVERecord?id=CVE-2016-2857" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2016-2857", "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-2857" } ], "release_date": "2016-02-17T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2017-03-01T07:59:14+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, shut down all running virtual machines. 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It could occur while copying VGA data via bitblt copy in backward mode. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS or potentially execute arbitrary code on the host with privileges of QEMU process on the host.", "title": "Vulnerability description" }, { "category": "summary", "text": "Qemu: display: cirrus: oob access while doing bitblt copy backward mode", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RHEV-4-Agents-7:qemu-img-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-img-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.src", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-img-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-img-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.src", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.6.0-28.el7_3.6.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2017-2615" }, { "category": "external", "summary": "RHBZ#1418200", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1418200" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2017-2615", "url": "https://www.cve.org/CVERecord?id=CVE-2017-2615" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2017-2615", "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-2615" } ], "release_date": "2017-01-24T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2017-03-01T07:59:14+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.", "product_ids": [ "7Server-RHEV-4-Agents-7:qemu-img-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-img-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.src", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-img-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-img-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.src", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.6.0-28.el7_3.6.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2017:0350" } ], "scores": [ { "cvss_v2": { "accessComplexity": "MEDIUM", "accessVector": "ADJACENT_NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 4.9, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:A/AC:M/Au:S/C:P/I:P/A:P", "version": "2.0" }, "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "LOW", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L", "version": "3.0" }, "products": [ "7Server-RHEV-4-Agents-7:qemu-img-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-img-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.src", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-img-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-img-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.src", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.6.0-28.el7_3.6.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "Qemu: display: cirrus: oob access while doing bitblt copy backward mode" }, { "cve": "CVE-2017-2620", "cwe": { "id": "CWE-787", "name": "Out-of-bounds Write" }, "discovery_date": "2017-02-09T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1420484" } ], "notes": [ { "category": "description", "text": "Quick emulator (QEMU) built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.", "title": "Vulnerability description" }, { "category": "summary", "text": "Qemu: display: cirrus: potential arbitrary code execution via cirrus_bitblt_cputovideo", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RHEV-4-Agents-7:qemu-img-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-img-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.src", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-img-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-img-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.src", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.6.0-28.el7_3.6.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2017-2620" }, { "category": "external", "summary": "RHBZ#1420484", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1420484" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2017-2620", "url": "https://www.cve.org/CVERecord?id=CVE-2017-2620" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2017-2620", "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-2620" }, { "category": "external", "summary": "https://xenbits.xen.org/xsa/advisory-209.html", "url": "https://xenbits.xen.org/xsa/advisory-209.html" } ], "release_date": "2017-02-21T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2017-03-01T07:59:14+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.", "product_ids": [ "7Server-RHEV-4-Agents-7:qemu-img-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-img-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.src", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-img-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-img-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.src", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.6.0-28.el7_3.6.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2017:0350" } ], "scores": [ { "cvss_v2": { "accessComplexity": "MEDIUM", "accessVector": "ADJACENT_NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 4.9, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:A/AC:M/Au:S/C:P/I:P/A:P", "version": "2.0" }, "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "LOW", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L", "version": "3.0" }, "products": [ "7Server-RHEV-4-Agents-7:qemu-img-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-img-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.src", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-4-Agents-7:qemu-kvm-tools-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-img-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-img-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-kvm-common-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.src", "7Server-RHEV-Agents-7:qemu-kvm-rhev-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-kvm-rhev-debuginfo-10:2.6.0-28.el7_3.6.x86_64", "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.6.0-28.el7_3.6.ppc64le", "7Server-RHEV-Agents-7:qemu-kvm-tools-rhev-10:2.6.0-28.el7_3.6.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "Qemu: display: cirrus: potential arbitrary code execution via cirrus_bitblt_cputovideo" } ] }
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Sightings
Author | Source | Type | Date |
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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.