ASB-A-233972091

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Import Source

https://storage.googleapis.com/android-osv/ASB-A-233972091.json

JSON Data

https://api.osv.dev/v1/vulns/ASB-A-233972091

Aliases

A-233972091
CVE-2022-20239
U-1883877

Published

2022-08-01T00:00:00Z

Modified

2026-09-22T15:22:15Z

Summary

[none]

Details

'remap_pfn_range' here may map out of size kernel memory (for example, may map the kernel area), and because the 'vma->vm_page_prot' can also be controlled by userspace, so userspace may map the kernel area to be writable, which is easy to be exploited

References

https://source.android.com/security/bulletin/2022-08-01

Affected packages

Android / :unknown:

Package

Name: :unknown:

Affected ranges

Type: ECOSYSTEM
Events: Introduced

SoCVersion:0

Fixed

SoCVersion:2022-08-05

Affected versions

Other

SoCVersion

Ecosystem specific

{
    "severity":  "High",
    "spl":  "2022-08-05",
    "types":  [
        "EoP"
    ]
}

Database specific

source

"https://storage.googleapis.com/android-osv/ASB-A-233972091.json"