rhsa-2015_1924
Vulnerability from csaf_redhat
Published
2015-10-22 16:41
Modified
2024-11-22 09:31
Summary
Red Hat Security Advisory: qemu-kvm security update
Notes
Topic
Updated qemu-kvm packages that fix one security issue are now available for
Red Hat Enterprise Linux 6.
Red Hat Product Security has rated this update as having Important security
impact. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available from the CVE link in the
References section.
Details
KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on AMD64 and Intel 64 systems. The qemu-kvm package provides the
user-space component for running virtual machines using KVM.
A heap buffer overflow flaw was found in the way QEMU's NE2000 NIC
emulation implementation handled certain packets received over the network.
A privileged user inside a guest could use this flaw to crash the QEMU
instance (denial of service) or potentially execute arbitrary code on
the host. (CVE-2015-5279)
Red Hat would like to thank Qinghao Tang of QIHU 360 Inc. for reporting
this issue.
All qemu-kvm users are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue. After 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.
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": "Updated qemu-kvm packages that fix one security issue are now available for\nRed Hat Enterprise Linux 6.\n\nRed Hat Product Security has rated this update as having Important security\nimpact. A Common Vulnerability Scoring System (CVSS) base score, which\ngives a detailed severity rating, is available from the CVE link in the\nReferences section.", "title": "Topic" }, { "category": "general", "text": "KVM (Kernel-based Virtual Machine) is a full virtualization solution for\nLinux on AMD64 and Intel 64 systems. The qemu-kvm package provides the\nuser-space component for running virtual machines using KVM.\n\nA heap buffer overflow flaw was found in the way QEMU\u0027s NE2000 NIC\nemulation implementation handled certain packets received over the network.\nA privileged user inside a guest could use this flaw to crash the QEMU\ninstance (denial of service) or potentially execute arbitrary code on\nthe host. (CVE-2015-5279)\n\nRed Hat would like to thank Qinghao Tang of QIHU 360 Inc. for reporting\nthis issue.\n\nAll qemu-kvm users are advised to upgrade to these updated packages, which\ncontain a backported patch to correct this issue. After installing this\nupdate, shut down all running virtual machines. Once all virtual machines\nhave shut down, start them again for this update to take effect.", "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-2015:1924", "url": "https://access.redhat.com/errata/RHSA-2015:1924" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "1256672", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1256672" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2015/rhsa-2015_1924.json" } ], "title": "Red Hat Security Advisory: qemu-kvm security update", "tracking": { "current_release_date": "2024-11-22T09:31:33+00:00", "generator": { "date": "2024-11-22T09:31:33+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2015:1924", "initial_release_date": "2015-10-22T16:41:35+00:00", "revision_history": [ { "date": "2015-10-22T16:41:35+00:00", "number": "1", "summary": "Initial version" }, { "date": "2015-10-22T16:41:35+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-22T09:31:33+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux Desktop (v. 6)", "product": { "name": "Red Hat Enterprise Linux Desktop (v. 6)", "product_id": "6Client-6.7.z", 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"6Workstation-6.7.z" }, { "category": "default_component_of", "full_product_name": { "name": "qemu-kvm-tools-2:0.12.1.2-2.479.el6_7.2.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 6)", "product_id": "6Workstation-6.7.z:qemu-kvm-tools-2:0.12.1.2-2.479.el6_7.2.x86_64" }, "product_reference": "qemu-kvm-tools-2:0.12.1.2-2.479.el6_7.2.x86_64", "relates_to_product_reference": "6Workstation-6.7.z" } ] }, "vulnerabilities": [ { "acknowledgments": [ { "names": [ "Qinghao Tang" ], "organization": "QIHU 360 Inc." } ], "cve": "CVE-2015-5279", "cwe": { "id": "CWE-122", "name": "Heap-based Buffer Overflow" }, "discovery_date": "2015-08-24T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1256672" } ], "notes": [ { "category": "description", "text": "A heap buffer overflow flaw was found in the way QEMU\u0027s NE2000 NIC emulation implementation handled certain packets received over the network. A privileged user inside a guest could use this flaw to crash the QEMU instance (denial of service) or potentially execute arbitrary code on the host.", "title": "Vulnerability description" }, { "category": "summary", "text": "qemu: Heap overflow vulnerability in ne2000_receive() function", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue affects the versions of kvm and xen packages as shipped with Red Hat Enterprise Linux 5.\n\nThis issue affects the versions of the qemu-kvm packages as shipped with Red Hat Enterprise Linux 6.\n\nThis issue affects the Red Hat Enterprise Linux 6 based versions of qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3.\n\nThis issue does not affect the versions of the qemu-kvm packages as shipped with Red Hat Enterprise Linux 7.\n\nThis issue does not affect the Red Hat Enterprise Linux 7 based versions of the qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3.", "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": [ "6Client-6.7.z:qemu-guest-agent-2:0.12.1.2-2.479.el6_7.2.i686", "6Client-6.7.z:qemu-guest-agent-2:0.12.1.2-2.479.el6_7.2.ppc64", "6Client-6.7.z:qemu-guest-agent-2:0.12.1.2-2.479.el6_7.2.x86_64", "6Client-6.7.z:qemu-img-2:0.12.1.2-2.479.el6_7.2.x86_64", "6Client-6.7.z:qemu-kvm-2:0.12.1.2-2.479.el6_7.2.src", "6Client-6.7.z:qemu-kvm-2:0.12.1.2-2.479.el6_7.2.x86_64", "6Client-6.7.z:qemu-kvm-debuginfo-2:0.12.1.2-2.479.el6_7.2.i686", "6Client-6.7.z:qemu-kvm-debuginfo-2:0.12.1.2-2.479.el6_7.2.ppc64", "6Client-6.7.z:qemu-kvm-debuginfo-2:0.12.1.2-2.479.el6_7.2.x86_64", "6Client-6.7.z:qemu-kvm-tools-2:0.12.1.2-2.479.el6_7.2.x86_64", 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"6Workstation-6.7.z:qemu-kvm-tools-2:0.12.1.2-2.479.el6_7.2.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2015-5279" }, { "category": "external", "summary": "RHBZ#1256672", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1256672" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2015-5279", "url": "https://www.cve.org/CVERecord?id=CVE-2015-5279" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2015-5279", "url": "https://nvd.nist.gov/vuln/detail/CVE-2015-5279" } ], "release_date": "2015-09-15T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2015-10-22T16:41:35+00:00", "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ 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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.