SUSE-SU-2020:3088-1
Vulnerability from csaf_suse - Published: 2020-10-29 12:30 - Updated: 2026-09-20 13:41Summary
Security update for xen
Severity
Important
Notes
Title of the patch: Security update for xen
Description of the patch: This update for xen fixes the following issues:
- bsc#1177409 - VUL-0: CVE-2020-27673: xen: x86 PV guest INVLPG-like flushes may leave stale TLB entries (XSA-286)
- bsc#1177412 - VUL-0: CVE-2020-27672: xen: Race condition in Xen mapping code (XSA-345)
- bsc#1177413 - VUL-0: CVE-2020-27671: xen: undue deferral of IOMMU TLB flushes (XSA-346)
- bsc#1177414 - VUL-0: CVE-2020-27670: xen: unsafe AMD IOMMU page table updates (XSA-347)
Patchnames: SUSE-2020-3088,SUSE-OpenStack-Cloud-9-2020-3088,SUSE-OpenStack-Cloud-Crowbar-9-2020-3088,SUSE-SLE-SAP-12-SP4-2020-3088,SUSE-SLE-SERVER-12-SP4-LTSS-2020-3088
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
7.8 (High)
Affected products
Recommended
36 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Linux Enterprise High Performance Computing 12 SP4:xen-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise High Performance Computing 12 SP4:xen-doc-html-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise High Performance Computing 12 SP4:xen-libs-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise High Performance Computing 12 SP4:xen-libs-32bit-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise High Performance Computing 12 SP4:xen-tools-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise High Performance Computing 12 SP4:xen-tools-domU-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 12 SP4-LTSS:xen-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 12 SP4-LTSS:xen-doc-html-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 12 SP4-LTSS:xen-libs-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 12 SP4-LTSS:xen-libs-32bit-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 12 SP4-LTSS:xen-tools-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 12 SP4-LTSS:xen-tools-domU-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 12 SP4:xen-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 12 SP4:xen-doc-html-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 12 SP4:xen-libs-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 12 SP4:xen-libs-32bit-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 12 SP4:xen-tools-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 12 SP4:xen-tools-domU-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP4:xen-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP4:xen-doc-html-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP4:xen-libs-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP4:xen-libs-32bit-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP4:xen-tools-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP4:xen-tools-domU-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE OpenStack Cloud 9:xen-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE OpenStack Cloud 9:xen-doc-html-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE OpenStack Cloud 9:xen-libs-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE OpenStack Cloud 9:xen-libs-32bit-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE OpenStack Cloud 9:xen-tools-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE OpenStack Cloud 9:xen-tools-domU-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE OpenStack Cloud Crowbar 9:xen-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE OpenStack Cloud Crowbar 9:xen-doc-html-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE OpenStack Cloud Crowbar 9:xen-libs-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE OpenStack Cloud Crowbar 9:xen-libs-32bit-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE OpenStack Cloud Crowbar 9:xen-tools-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE OpenStack Cloud Crowbar 9:xen-tools-domU-0:4.11.4_10-2.39.2.x86_64 | — |
Vendor Fix
|
Threats
Impact
important
7.8 (High)
Affected products
Recommended
36 products, the same list as for
CVE-2020-27670
Threats
Impact
important
7.8 (High)
Affected products
Recommended
36 products, the same list as for
CVE-2020-27670
Threats
Impact
important
6.2 (Medium)
Affected products
Recommended
36 products, the same list as for
CVE-2020-27670
Threats
Impact
moderate
References
26 references
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}
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},
{
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"references": [
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"category": "external",
"summary": "CVE-2020-27670",
"url": "https://www.suse.com/security/cve/CVE-2020-27670"
},
{
"category": "external",
"summary": "SUSE Bug 1177414 for CVE-2020-27670",
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"version": "3.1"
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"threats": [
{
"category": "impact",
"date": "2020-10-29T12:30:49Z",
"details": "important"
}
],
"title": "CVE-2020-27670"
},
{
"cve": "CVE-2020-27671",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2020-27671"
}
],
"notes": [
{
"category": "general",
"text": "An issue was discovered in Xen through 4.14.x allowing x86 HVM and PVH guest OS users to cause a denial of service (data corruption), cause a data leak, or possibly gain privileges because coalescing of per-page IOMMU TLB flushes is mishandled.",
"title": "CVE description"
}
],
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"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
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"text": "https://www.suse.com/security/cve/CVE-2020-27672"
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"title": "CVE description"
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"cvss_v3": {
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"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
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"title": "CVE description"
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"category": "external",
"summary": "SUSE Bug 1177411 for CVE-2020-27673",
"url": "https://bugzilla.suse.com/1177411"
},
{
"category": "external",
"summary": "SUSE Bug 1184583 for CVE-2020-27673",
"url": "https://bugzilla.suse.com/1184583"
}
],
"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",
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"scores": [
{
"cvss_v3": {
"baseScore": 6.2,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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],
"threats": [
{
"category": "impact",
"date": "2020-10-29T12:30:49Z",
"details": "moderate"
}
],
"title": "CVE-2020-27673"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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