ASB-A-436580278

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Import Source
https://storage.googleapis.com/android-osv/ASB-A-436580278.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-436580278
Aliases
  • A-436580278
  • CVE-2025-48623
Published
2025-12-01T00:00:00Z
Modified
2026-04-17T15:55:28.020024Z
Summary
[none]
Details

In initpkvmhyp_vcpu of pkvm.c, there is a possible out of bounds write due to improper input validation. 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

Name
:linux_kernel:

Affected ranges

Type
ECOSYSTEM
Events
Introduced
:0
Fixed
:2025-12-05

Affected versions

Other
Kernel

Ecosystem specific 

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        {
            "digest": {
                "length": 1412.0,
                "function_hash": "131869207249152044642128437608415532638"
            },
            "id": "ASB-A-436580278-32214e56",
            "deprecated": false,
            "signature_version": "v1",
            "signature_type": "Function",
            "source": "https://android.googlesource.com/kernel/common/+/3b6fab0ff24f7108c71a4d9c12567455cb2a5a81",
            "target": {
                "function": "init_pkvm_hyp_vcpu",
                "file": "arch/arm64/kvm/hyp/nvhe/pkvm.c"
            }
        },
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
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                ]
            },
            "id": "ASB-A-436580278-4d2669a6",
            "deprecated": false,
            "signature_version": "v1",
            "signature_type": "Line",
            "source": "https://android.googlesource.com/kernel/common/+/e76cff4952af4ac4652dc74ffbd134ff57c47895",
            "target": {
                "file": "arch/arm64/kvm/hyp/nvhe/pkvm.c"
            }
        },
        {
            "digest": {
                "length": 1278.0,
                "function_hash": "288353721847074805069654069000514111339"
            },
            "id": "ASB-A-436580278-78939954",
            "deprecated": false,
            "signature_version": "v1",
            "signature_type": "Function",
            "source": "https://android.googlesource.com/kernel/common/+/e76cff4952af4ac4652dc74ffbd134ff57c47895",
            "target": {
                "function": "init_pkvm_hyp_vcpu",
                "file": "arch/arm64/kvm/hyp/nvhe/pkvm.c"
            }
        },
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
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            "signature_version": "v1",
            "signature_type": "Line",
            "source": "https://android.googlesource.com/kernel/common/+/3b6fab0ff24f7108c71a4d9c12567455cb2a5a81",
            "target": {
                "file": "arch/arm64/kvm/hyp/nvhe/pkvm.c"
            }
        }
    ],
    "fixes": [
        "https://android.googlesource.com/kernel/common/+/3b6fab0ff24f7108c71a4d9c12567455cb2a5a81",
        "https://android.googlesource.com/kernel/common/+/e76cff4952af4ac4652dc74ffbd134ff57c47895"
    ],
    "types": [
        "EoP"
    ],
    "spl": "2025-12-05",
    "severity": "Critical"
}

Database specific

source 
"https://storage.googleapis.com/android-osv/ASB-A-436580278.json"