ASB-A-425282960

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Import Source
https://storage.googleapis.com/android-osv/ASB-A-425282960.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-425282960
Aliases
Published
2025-09-01T00:00:00Z
Modified
2025-11-14T16:44:49.782125Z
Summary
[none]
Details

In runposixcpu_timers of posix-cpu-timers.c, there is a possible way to trigger a use-after-free on a sigqueue object due to memory corruption. 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
:2025-09-05

Affected versions

Other

Kernel

Ecosystem specific 

{
    "spl": "2025-09-05",
    "severity": "High",
    "fixes": [
        "https://android.googlesource.com/kernel/common/+/157f357d50b5038e5eaad0b2b438f923ac40afeb",
        "https://android.googlesource.com/kernel/common/+/1bf1aa362e6b9573a310fcd14f35bc875b42ba83"
    ],
    "types": [
        "EoP"
    ],
    "vanir_signatures": [
        {
            "deprecated": false,
            "id": "ASB-A-425282960-0d6867e2",
            "source": "https://android.googlesource.com/kernel/common/+/157f357d50b5038e5eaad0b2b438f923ac40afeb",
            "signature_version": "v1",
            "target": {
                "file": "kernel/time/posix-cpu-timers.c"
            },
            "signature_type": "Line",
            "digest": {
                "line_hashes": [
                    "239550998081870972127451971872312053997",
                    "147150368589273284825147366725515272174",
                    "82833152002525841078026884179897054603"
                ],
                "threshold": 0.9
            }
        },
        {
            "deprecated": false,
            "id": "ASB-A-425282960-553e0dda",
            "source": "https://android.googlesource.com/kernel/common/+/1bf1aa362e6b9573a310fcd14f35bc875b42ba83",
            "signature_version": "v1",
            "target": {
                "file": "kernel/time/posix-cpu-timers.c"
            },
            "signature_type": "Line",
            "digest": {
                "line_hashes": [
                    "239550998081870972127451971872312053997",
                    "147150368589273284825147366725515272174",
                    "82833152002525841078026884179897054603"
                ],
                "threshold": 0.9
            }
        },
        {
            "deprecated": false,
            "id": "ASB-A-425282960-d6dfad21",
            "source": "https://android.googlesource.com/kernel/common/+/1bf1aa362e6b9573a310fcd14f35bc875b42ba83",
            "signature_version": "v1",
            "target": {
                "function": "run_posix_cpu_timers",
                "file": "kernel/time/posix-cpu-timers.c"
            },
            "signature_type": "Function",
            "digest": {
                "function_hash": "328631927418429210242873994005901180136",
                "length": 154.0
            }
        },
        {
            "deprecated": false,
            "id": "ASB-A-425282960-e83512d2",
            "source": "https://android.googlesource.com/kernel/common/+/157f357d50b5038e5eaad0b2b438f923ac40afeb",
            "signature_version": "v1",
            "target": {
                "function": "run_posix_cpu_timers",
                "file": "kernel/time/posix-cpu-timers.c"
            },
            "signature_type": "Function",
            "digest": {
                "function_hash": "328631927418429210242873994005901180136",
                "length": 154.0
            }
        }
    ]
}