ASB-A-253167854

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Import Source
https://storage.googleapis.com/android-osv-test/ASB-A-253167854.json
JSON Data
https://api.test.osv.dev/v1/vulns/ASB-A-253167854
Aliases
Published
2023-07-01T00:00:00Z
Modified
2025-08-06T16:29:06.385449Z
Summary
[none]
Details

In multiple functions of rmap.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege in the kernel 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
:2023-07-05

Affected versions

Other

Kernel

Ecosystem specific 

{
    "spl": "2023-07-05",
    "types": [
        "EoP"
    ],
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            "id": "ASB-A-253167854-2c699e73",
            "deprecated": false,
            "digest": {
                "length": 687.0,
                "function_hash": "413876971249427366280981010431739294"
            },
            "target": {
                "file": "mm/rmap.c",
                "function": "anon_vma_fork"
            },
            "source": "https://android.googlesource.com/kernel/common/+/4158b1508f2b1",
            "signature_type": "Function",
            "signature_version": "v1"
        },
        {
            "id": "ASB-A-253167854-31b68f72",
            "deprecated": false,
            "digest": {
                "length": 235.0,
                "function_hash": "294861604179330059374891161424076166122"
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            "target": {
                "file": "mm/rmap.c",
                "function": "anon_vma_alloc"
            },
            "source": "https://android.googlesource.com/kernel/common/+/4158b1508f2b1",
            "signature_type": "Function",
            "signature_version": "v1"
        },
        {
            "id": "ASB-A-253167854-4acc8175",
            "deprecated": false,
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            "target": {
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            "target": {
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                "function": "__anon_vma_prepare"
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            "source": "https://android.googlesource.com/kernel/common/+/4158b1508f2b1",
            "signature_type": "Function",
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        {
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            "target": {
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            "signature_type": "Function",
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    "severity": "High",
    "fixes": [
        "https://android.googlesource.com/kernel/common/+/4158b1508f2b1"
    ]
}