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Analysis Generated
Jun 09, 2026 - 16:01 vuln.today
DescriptionCVE.org
Alpine Linux: xen fixed in 4.21.1-r6
AnalysisAI
Xen hypervisor on Alpine Linux is affected by a security vulnerability tracked as XSA-491 (Xen Security Advisory 491). The Alpine Linux vendor has issued a patched package at version 4.21.1-r6 to address this issue. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Access
Access Xen guest environment
Exploit
Trigger XSA-491 vulnerability
Impact
Achieve impact on hypervisor or co-tenant guests
Access
Access Xen guest environment
Exploit
Trigger XSA-491 vulnerability
Impact
Achieve impact on hypervisor or co-tenant guests
Vulnerability AssessmentAI
| Exploitation | Exploitation conditions cannot be determined from the available data. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Risk cannot be meaningfully quantified from the supplied data. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Without a CVSS vector or vulnerability description, a realistic attack scenario cannot be constructed from the available data. Depending on the actual nature of XSA-491, a plausible scenario class for a Xen XSA would involve a malicious or compromised guest virtual machine leveraging the vulnerability to affect the hypervisor or other guests - but this is speculative inference from the XSA context, not a claim grounded in the supplied intelligence data. |
| Remediation | Alpine Linux users should upgrade the 'xen' package to version 4.21.1-r6 or later using the standard package manager command 'apk upgrade xen'. … Detailed patch versions, workarounds, and compensating controls in full report. |
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