ASB-A-508703529

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Import Source
https://storage.googleapis.com/android-osv/ASB-A-508703529.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-508703529
Aliases
  • A-508703529
  • CVE-2026-58846
Published
2026-09-01T00:00:00Z
Modified
2026-10-09T15:16:22Z
Summary
[none]
Details

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

Affected packages

Android / :linux_kernel:

Package

Affected ranges

Type
ECOSYSTEM
Events
Introduced
:0
Fixed
:2026-09-05

Affected versions

Other
Kernel

Ecosystem specific

{
    "fixes": [
        "https://android.googlesource.com/kernel/common/+/ad34d15396568919a8ddd306ce2120e76d111b7c"
    ],
    "severity": "Critical",
    "spl": "2026-09-05",
    "types": [
        "EoP"
    ],
    "vanir_signatures": [
        {
            "deprecated": false,
            "digest": {
                "function_hash": "168954781745444072032503680114273002111",
                "length": 1066
            },
            "id": "ASB-A-508703529-044effee",
            "signature_type": "Function",
            "signature_version": "v1",
            "source": "https://android.googlesource.com/kernel/common/+/ad34d15396568919a8ddd306ce2120e76d111b7c",
            "target": {
                "file": "arch/arm64/kvm/hyp/nvhe/iommu/iommu.c",
                "function": "kvm_iommu_map_sg"
            }
        },
        {
            "deprecated": false,
            "digest": {
                "line_hashes": [
                    "14531556049287530510865264223986290014",
                    "113222022963745869985270281040455277746",
                    "2315668818763018126251938254453642398"
                ],
                "threshold": 0.9
            },
            "id": "ASB-A-508703529-c56cc12d",
            "signature_type": "Line",
            "signature_version": "v1",
            "source": "https://android.googlesource.com/kernel/common/+/ad34d15396568919a8ddd306ce2120e76d111b7c",
            "target": {
                "file": "arch/arm64/kvm/hyp/nvhe/iommu/iommu.c"
            }
        }
    ]
}

Database specific

source
"https://storage.googleapis.com/android-osv/ASB-A-508703529.json"