Security readout for executives and security teams
This is a Xen hypervisor issue where earlier CPU side-channel mitigations were not fully safe during interrupt handling. A malicious paravirtualized guest could potentially bypass protections and attempt to read sensitive information from the Xen host context. It is not listed as actively exploited in KEV. Exposure is most relevant to organizations running Xen x86 hypervisors with paravirtualized guests, especially where guests are untrusted or multi-tenant. The source bundle does not provide exact affected versions and directs readers to XSA-446. Treat as a targeted hypervisor confidentiality risk, not an internet-scale emergency. Prioritize patch tracking for Xen fleets that host untrusted PV workloads, because a guest-to-hypervisor information exposure can affect tenant isolation. Mitigation focus: Consult Xen advisory XSA-446 for affected versions and official fixes.; Apply Xen Project or distribution hypervisor updates that address XSA-446.; Prioritize hosts running untrusted or multi-tenant PV guests..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2023-46836 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N13.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.7MediumVector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://xenbits.xenproject.org/xsa/advisory-446.htmlCVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.