suse-su-2018:3332-1
Vulnerability from csaf_suse
Published
2018-10-23 13:14
Modified
2018-10-23 13:14
Summary
Security update for xen
Notes
Title of the patch
Security update for xen
Description of the patch
This update for xen fixes the following issues:
- CVE-2018-17963: qemu_deliver_packet_iov accepted packet sizes greater than INT_MAX, which allows attackers to cause a denial of service or possibly have unspecified other impact. (bsc#1111014)
- CVE-2018-15468: The DEBUGCTL MSR contains several debugging features, some of which virtualise cleanly, but some do not. In particular, Branch Trace Store is not virtualised by the processor, and software has to be careful to configure it suitably not to lock up the core. As a result, it must only be available to fully trusted guests. Unfortunately, in the case that vPMU is disabled, all value checking was skipped, allowing the guest to choose any MSR_DEBUGCTL setting it likes. A malicious or buggy guest administrator (on Intel x86 HVM or PVH) could have locked up the entire host, causing a Denial of Service. (XSA-269) (bsc#1103276)
Non security issues fixed:
- Kernel oops in fs/dcache.c called by d_materialise_unique() (bsc#1094508)
Patchnames
SUSE-OpenStack-Cloud-7-2018-2398,SUSE-SLE-SAP-12-SP2-2018-2398,SUSE-SLE-SERVER-12-SP2-2018-2398,SUSE-SLE-SERVER-12-SP2-BCL-2018-2398,SUSE-Storage-4-2018-2398
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
{ "document": { "aggregate_severity": { "namespace": "https://www.suse.com/support/security/rating/", "text": "moderate" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright 2024 SUSE LLC. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "Security update for xen", "title": "Title of the patch" }, { "category": "description", "text": "This update for xen fixes the following issues:\n\n- CVE-2018-17963: qemu_deliver_packet_iov accepted packet sizes greater than INT_MAX, which allows attackers to cause a denial of service or possibly have unspecified other impact. (bsc#1111014)\n- CVE-2018-15468: The DEBUGCTL MSR contains several debugging features, some of which virtualise cleanly, but some do not. In particular, Branch Trace Store is not virtualised by the processor, and software has to be careful to configure it suitably not to lock up the core. As a result, it must only be available to fully trusted guests. Unfortunately, in the case that vPMU is disabled, all value checking was skipped, allowing the guest to choose any MSR_DEBUGCTL setting it likes. A malicious or buggy guest administrator (on Intel x86 HVM or PVH) could have locked up the entire host, causing a Denial of Service. (XSA-269) (bsc#1103276)\n\nNon security issues fixed:\n\n- Kernel oops in fs/dcache.c called by d_materialise_unique() (bsc#1094508)\n ", "title": "Description of the patch" }, { "category": "details", "text": "SUSE-OpenStack-Cloud-7-2018-2398,SUSE-SLE-SAP-12-SP2-2018-2398,SUSE-SLE-SERVER-12-SP2-2018-2398,SUSE-SLE-SERVER-12-SP2-BCL-2018-2398,SUSE-Storage-4-2018-2398", "title": "Patchnames" }, { "category": "legal_disclaimer", "text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).", "title": "Terms of use" } ], "publisher": { "category": "vendor", "contact_details": "https://www.suse.com/support/security/contact/", "name": "SUSE Product Security Team", "namespace": "https://www.suse.com/" }, "references": [ { "category": "external", "summary": "SUSE ratings", "url": "https://www.suse.com/support/security/rating/" }, { "category": "self", "summary": "URL of this CSAF notice", "url": "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2018_3332-1.json" }, { "category": "self", "summary": "URL for SUSE-SU-2018:3332-1", "url": "https://www.suse.com/support/update/announcement/2018/suse-su-20183332-1/" }, { "category": "self", "summary": "E-Mail link for SUSE-SU-2018:3332-1", "url": "https://lists.suse.com/pipermail/sle-security-updates/2018-October/004769.html" }, { "category": "self", "summary": "SUSE Bug 1094508", "url": "https://bugzilla.suse.com/1094508" }, { "category": "self", "summary": "SUSE Bug 1103276", "url": "https://bugzilla.suse.com/1103276" }, { "category": "self", "summary": "SUSE Bug 1111014", "url": "https://bugzilla.suse.com/1111014" }, { "category": "self", "summary": "SUSE CVE CVE-2018-15468 page", "url": "https://www.suse.com/security/cve/CVE-2018-15468/" }, { "category": "self", "summary": "SUSE CVE CVE-2018-17963 page", "url": "https://www.suse.com/security/cve/CVE-2018-17963/" } ], "title": "Security update for xen", "tracking": { 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"relates_to_product_reference": "SUSE Enterprise Storage 4" }, { "category": "default_component_of", "full_product_name": { "name": "xen-doc-html-4.7.6_05-43.42.1.x86_64 as component of SUSE Enterprise Storage 4", "product_id": "SUSE Enterprise Storage 4:xen-doc-html-4.7.6_05-43.42.1.x86_64" }, "product_reference": "xen-doc-html-4.7.6_05-43.42.1.x86_64", "relates_to_product_reference": "SUSE Enterprise Storage 4" }, { "category": "default_component_of", "full_product_name": { "name": "xen-libs-4.7.6_05-43.42.1.x86_64 as component of SUSE Enterprise Storage 4", "product_id": "SUSE Enterprise Storage 4:xen-libs-4.7.6_05-43.42.1.x86_64" }, "product_reference": "xen-libs-4.7.6_05-43.42.1.x86_64", "relates_to_product_reference": "SUSE Enterprise Storage 4" }, { "category": "default_component_of", "full_product_name": { "name": "xen-libs-32bit-4.7.6_05-43.42.1.x86_64 as component of SUSE Enterprise Storage 4", "product_id": "SUSE Enterprise Storage 4:xen-libs-32bit-4.7.6_05-43.42.1.x86_64" }, "product_reference": "xen-libs-32bit-4.7.6_05-43.42.1.x86_64", "relates_to_product_reference": "SUSE Enterprise Storage 4" }, { "category": "default_component_of", "full_product_name": { "name": "xen-tools-4.7.6_05-43.42.1.x86_64 as component of SUSE Enterprise Storage 4", "product_id": "SUSE Enterprise Storage 4:xen-tools-4.7.6_05-43.42.1.x86_64" }, "product_reference": "xen-tools-4.7.6_05-43.42.1.x86_64", "relates_to_product_reference": "SUSE Enterprise Storage 4" }, { "category": "default_component_of", "full_product_name": { "name": "xen-tools-domU-4.7.6_05-43.42.1.x86_64 as component of SUSE Enterprise Storage 4", "product_id": "SUSE Enterprise Storage 4:xen-tools-domU-4.7.6_05-43.42.1.x86_64" }, "product_reference": "xen-tools-domU-4.7.6_05-43.42.1.x86_64", "relates_to_product_reference": "SUSE Enterprise Storage 4" } ] }, "vulnerabilities": [ { "cve": "CVE-2018-15468", "ids": [ { "system_name": "SUSE CVE Page", "text": "https://www.suse.com/security/cve/CVE-2018-15468" } ], "notes": [ { "category": "general", "text": "An issue was discovered in Xen through 4.11.x. The DEBUGCTL MSR contains several debugging features, some of which virtualise cleanly, but some do not. In particular, Branch Trace Store is not virtualised by the processor, and software has to be careful to configure it suitably not to lock up the core. As a result, it must only be available to fully trusted guests. Unfortunately, in the case that vPMU is disabled, all value checking was skipped, allowing the guest to choose any MSR_DEBUGCTL setting it likes. A malicious or buggy guest administrator (on Intel x86 HVM or PVH) can lock up the entire host, causing a Denial of Service.", "title": "CVE description" } ], "product_status": { "recommended": [ "SUSE Enterprise Storage 4:xen-4.7.6_05-43.42.1.x86_64", "SUSE Enterprise Storage 4:xen-doc-html-4.7.6_05-43.42.1.x86_64", "SUSE Enterprise Storage 4:xen-libs-32bit-4.7.6_05-43.42.1.x86_64", "SUSE Enterprise Storage 4:xen-libs-4.7.6_05-43.42.1.x86_64", "SUSE Enterprise Storage 4:xen-tools-4.7.6_05-43.42.1.x86_64", "SUSE Enterprise Storage 4:xen-tools-domU-4.7.6_05-43.42.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-BCL:xen-4.7.6_05-43.42.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-BCL:xen-doc-html-4.7.6_05-43.42.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-BCL:xen-libs-32bit-4.7.6_05-43.42.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-BCL:xen-libs-4.7.6_05-43.42.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-BCL:xen-tools-4.7.6_05-43.42.1.x86_64", "SUSE Linux Enterprise Server 12 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7:xen-libs-32bit-4.7.6_05-43.42.1.x86_64", "SUSE OpenStack Cloud 7:xen-libs-4.7.6_05-43.42.1.x86_64", "SUSE OpenStack Cloud 7:xen-tools-4.7.6_05-43.42.1.x86_64", "SUSE OpenStack Cloud 7:xen-tools-domU-4.7.6_05-43.42.1.x86_64" ] } ], "scores": [ { "cvss_v3": { "baseScore": 5.5, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.0" }, "products": [ "SUSE Enterprise Storage 4:xen-4.7.6_05-43.42.1.x86_64", "SUSE Enterprise Storage 4:xen-doc-html-4.7.6_05-43.42.1.x86_64", "SUSE Enterprise Storage 4:xen-libs-32bit-4.7.6_05-43.42.1.x86_64", "SUSE Enterprise Storage 4:xen-libs-4.7.6_05-43.42.1.x86_64", "SUSE Enterprise Storage 4:xen-tools-4.7.6_05-43.42.1.x86_64", "SUSE Enterprise Storage 4:xen-tools-domU-4.7.6_05-43.42.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-BCL:xen-4.7.6_05-43.42.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-BCL:xen-doc-html-4.7.6_05-43.42.1.x86_64", "SUSE Linux Enterprise Server 12 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SP2:xen-libs-32bit-4.7.6_05-43.42.1.x86_64", "SUSE Linux Enterprise Server for SAP Applications 12 SP2:xen-libs-4.7.6_05-43.42.1.x86_64", "SUSE Linux Enterprise Server for SAP Applications 12 SP2:xen-tools-4.7.6_05-43.42.1.x86_64", "SUSE Linux Enterprise Server for SAP Applications 12 SP2:xen-tools-domU-4.7.6_05-43.42.1.x86_64", "SUSE OpenStack Cloud 7:xen-4.7.6_05-43.42.1.x86_64", "SUSE OpenStack Cloud 7:xen-doc-html-4.7.6_05-43.42.1.x86_64", "SUSE OpenStack Cloud 7:xen-libs-32bit-4.7.6_05-43.42.1.x86_64", "SUSE OpenStack Cloud 7:xen-libs-4.7.6_05-43.42.1.x86_64", "SUSE OpenStack Cloud 7:xen-tools-4.7.6_05-43.42.1.x86_64", "SUSE OpenStack Cloud 7:xen-tools-domU-4.7.6_05-43.42.1.x86_64" ] } ], "threats": [ { "category": "impact", "date": "2018-10-23T13:14:17Z", "details": "moderate" } ], "title": "CVE-2018-15468" }, { "cve": "CVE-2018-17963", "ids": [ { "system_name": "SUSE CVE Page", "text": "https://www.suse.com/security/cve/CVE-2018-17963" } ], "notes": [ { "category": "general", "text": "qemu_deliver_packet_iov in net/net.c in Qemu accepts packet sizes greater than INT_MAX, which allows attackers to cause a denial of service or possibly have unspecified other impact.", "title": "CVE description" } ], "product_status": { "recommended": [ "SUSE Enterprise Storage 4:xen-4.7.6_05-43.42.1.x86_64", "SUSE Enterprise Storage 4:xen-doc-html-4.7.6_05-43.42.1.x86_64", "SUSE Enterprise Storage 4:xen-libs-32bit-4.7.6_05-43.42.1.x86_64", "SUSE Enterprise Storage 4:xen-libs-4.7.6_05-43.42.1.x86_64", "SUSE Enterprise Storage 4:xen-tools-4.7.6_05-43.42.1.x86_64", "SUSE Enterprise Storage 4:xen-tools-domU-4.7.6_05-43.42.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-BCL:xen-4.7.6_05-43.42.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-BCL:xen-doc-html-4.7.6_05-43.42.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-BCL:xen-libs-32bit-4.7.6_05-43.42.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-BCL:xen-libs-4.7.6_05-43.42.1.x86_64", "SUSE Linux Enterprise Server 12 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"https://bugzilla.suse.com/1178658" } ], "remediations": [ { "category": "vendor_fix", "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", "product_ids": [ "SUSE Enterprise Storage 4:xen-4.7.6_05-43.42.1.x86_64", "SUSE Enterprise Storage 4:xen-doc-html-4.7.6_05-43.42.1.x86_64", "SUSE Enterprise Storage 4:xen-libs-32bit-4.7.6_05-43.42.1.x86_64", "SUSE Enterprise Storage 4:xen-libs-4.7.6_05-43.42.1.x86_64", "SUSE Enterprise Storage 4:xen-tools-4.7.6_05-43.42.1.x86_64", "SUSE Enterprise Storage 4:xen-tools-domU-4.7.6_05-43.42.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-BCL:xen-4.7.6_05-43.42.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-BCL:xen-doc-html-4.7.6_05-43.42.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-BCL:xen-libs-32bit-4.7.6_05-43.42.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-BCL:xen-libs-4.7.6_05-43.42.1.x86_64", "SUSE Linux Enterprise Server 12 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"threats": [ { "category": "impact", "date": "2018-10-23T13:14:17Z", "details": "moderate" } ], "title": "CVE-2018-17963" } ] }
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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.
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