Description
In kvm_iommu_map_sg of iommu.c, there is a possible use after free due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Published: 2026-09-08
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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History

Wed, 09 Sep 2026 14:45:00 +0000

Type Values Removed Values Added
Title Possible Use After Free in KVM IOMMU Mapping Enables Local Privilege Escalation

Tue, 08 Sep 2026 22:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Tue, 08 Sep 2026 21:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-269
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Tue, 08 Sep 2026 18:30:00 +0000

Type Values Removed Values Added
Description In kvm_iommu_map_sg of iommu.c, there is a possible use after free due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: google_android

Published:

Updated: 2026-09-08T20:53:31.165Z

Reserved: 2026-07-02T06:00:06.365Z

Link: CVE-2026-58846

cve-icon Vulnrichment

Updated: 2026-09-08T20:53:23.626Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-09-08T19:18:03.077

Modified: 2026-09-08T21:18:22.893

Link: CVE-2026-58846

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-09T14:30:11Z

Weaknesses