ASB-A-442540376

See a problem?
Import Source
https://storage.googleapis.com/android-osv/ASB-A-442540376.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-442540376
Aliases
  • A-442540376
  • CVE-2025-48638
Published
2025-12-01T00:00:00Z
Modified
2026-04-21T15:25:42.831358Z
Summary
[none]
Details

In __pkvmloadtracing of trace.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 

{
    "vanir_signatures": [
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "90558166005269909930284086201071750075",
                    "287599274834125049811271675874841952531",
                    "18804106768587692893641876941213863145",
                    "28121679916102027148475347188111081201",
                    "191410894214813062980060039031238067394",
                    "305081180542143264441251109293065859862",
                    "312843914770600634379606858910406254829",
                    "149326353072186615715133350665055426599",
                    "162137619357973724339660243284734951446",
                    "314910139000023664835077072904995840933"
                ]
            },
            "id": "ASB-A-442540376-69dbf411",
            "deprecated": false,
            "signature_version": "v1",
            "signature_type": "Line",
            "source": "https://android.googlesource.com/kernel/common/+/0429b7af308cf65c84109c08d06b01950dcd57fe",
            "target": {
                "file": "arch/arm64/kvm/hyp/nvhe/trace.c"
            }
        },
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "320573784483962119336444912046099381674",
                    "142639344079230660226354642835805425334",
                    "6557964387277942376636085844154584662",
                    "148403631429166932821378813147089635186",
                    "155257617133160059537638078063901500560",
                    "235449450205629975573594586092400618099",
                    "81838477260421453430615412376897544973",
                    "328692992502970810698612054764776044997",
                    "41983219151228460750004362198517182568",
                    "301649500598785356277496269540784339689"
                ]
            },
            "id": "ASB-A-442540376-71a26b14",
            "deprecated": false,
            "signature_version": "v1",
            "signature_type": "Line",
            "source": "https://android.googlesource.com/kernel/common/+/96ebe96170d67df5072afa2ce84622f5a0ff552a",
            "target": {
                "file": "arch/arm64/kvm/hyp/nvhe/trace.c"
            }
        },
        {
            "digest": {
                "length": 1016.0,
                "function_hash": "95942719740207928120481650673794265676"
            },
            "id": "ASB-A-442540376-a60f6f3d",
            "deprecated": false,
            "signature_version": "v1",
            "signature_type": "Function",
            "source": "https://android.googlesource.com/kernel/common/+/0429b7af308cf65c84109c08d06b01950dcd57fe",
            "target": {
                "function": "__pkvm_load_tracing",
                "file": "arch/arm64/kvm/hyp/nvhe/trace.c"
            }
        },
        {
            "digest": {
                "length": 843.0,
                "function_hash": "166361875685499412981578313401250262055"
            },
            "id": "ASB-A-442540376-e770a25b",
            "deprecated": false,
            "signature_version": "v1",
            "signature_type": "Function",
            "source": "https://android.googlesource.com/kernel/common/+/96ebe96170d67df5072afa2ce84622f5a0ff552a",
            "target": {
                "function": "__pkvm_load_tracing",
                "file": "arch/arm64/kvm/hyp/nvhe/trace.c"
            }
        }
    ],
    "fixes": [
        "https://android.googlesource.com/kernel/common/+/0429b7af308cf65c84109c08d06b01950dcd57fe",
        "https://android.googlesource.com/kernel/common/+/96ebe96170d67df5072afa2ce84622f5a0ff552a"
    ],
    "types": [
        "EoP"
    ],
    "spl": "2025-12-05",
    "severity": "Critical"
}

Database specific

source 
"https://storage.googleapis.com/android-osv/ASB-A-442540376.json"