SUSE-SU-2026:2328-1
Vulnerability from csaf_suse - Published: 2026-06-10 07:39 - Updated: 2026-06-10 07:39Summary
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:
- CVE-2026-42487: x86 HVM I/O port list traversal (bsc#1266952).
- CVE-2026-42488: x86: mismatched mapcache metadata (bsc#1266955).
- CVE-2026-42489,CVE-2026-42490: domctl lock open to abuse (bsc#1266953).
Patchnames: SUSE-2026-2328,SUSE-SLE-Micro-5.5-2026-2328,SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-2328,SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-2328,SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-2328,SUSE-SLE-Product-SLES_SAP-15-SP5-2026-2328
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
25 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS:xen-4.17.6_12-150500.3.73.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS:xen-devel-4.17.6_12-150500.3.73.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS:xen-libs-4.17.6_12-150500.3.73.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS:xen-tools-4.17.6_12-150500.3.73.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS:xen-tools-domU-4.17.6_12-150500.3.73.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS:xen-tools-xendomains-wait-disk-4.17.6_12-150500.3.73.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS:xen-4.17.6_12-150500.3.73.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS:xen-devel-4.17.6_12-150500.3.73.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS:xen-libs-4.17.6_12-150500.3.73.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS:xen-tools-4.17.6_12-150500.3.73.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS:xen-tools-domU-4.17.6_12-150500.3.73.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS:xen-tools-xendomains-wait-disk-4.17.6_12-150500.3.73.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.5:xen-libs-4.17.6_12-150500.3.73.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 15 SP5-LTSS:xen-4.17.6_12-150500.3.73.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 15 SP5-LTSS:xen-devel-4.17.6_12-150500.3.73.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 15 SP5-LTSS:xen-libs-4.17.6_12-150500.3.73.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 15 SP5-LTSS:xen-tools-4.17.6_12-150500.3.73.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 15 SP5-LTSS:xen-tools-domU-4.17.6_12-150500.3.73.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 15 SP5-LTSS:xen-tools-xendomains-wait-disk-4.17.6_12-150500.3.73.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 15 SP5:xen-4.17.6_12-150500.3.73.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 15 SP5:xen-devel-4.17.6_12-150500.3.73.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 15 SP5:xen-libs-4.17.6_12-150500.3.73.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 15 SP5:xen-tools-4.17.6_12-150500.3.73.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 15 SP5:xen-tools-domU-4.17.6_12-150500.3.73.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 15 SP5:xen-tools-xendomains-wait-disk-4.17.6_12-150500.3.73.1.noarch | — |
Vendor Fix
|
Threats
Impact
important
7.5 (High)
Affected products
Recommended
25 products, the same list as for
CVE-2026-42487
Threats
Impact
important
5.3 (Medium)
Affected products
Recommended
25 products, the same list as for
CVE-2026-42487
Threats
Impact
moderate
4.1 (Medium)
Affected products
Recommended
25 products, the same list as for
CVE-2026-42487
Threats
Impact
moderate
References
19 references
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{
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}
],
"threats": [
{
"category": "impact",
"date": "2026-06-10T07:39:28Z",
"details": "moderate"
}
],
"title": "CVE-2026-42489"
},
{
"cve": "CVE-2026-42490",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-42490"
}
],
"notes": [
{
"category": "general",
"text": "unknown",
"title": "CVE description"
}
],
"product_status": {
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"references": [
{
"category": "external",
"summary": "CVE-2026-42490",
"url": "https://www.suse.com/security/cve/CVE-2026-42490"
},
{
"category": "external",
"summary": "SUSE Bug 1266953 for CVE-2026-42490",
"url": "https://bugzilla.suse.com/1266953"
}
],
"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": 4.1,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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],
"threats": [
{
"category": "impact",
"date": "2026-06-10T07:39:28Z",
"details": "moderate"
}
],
"title": "CVE-2026-42490"
}
]
}
Loading…
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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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