ASB-A-233154555

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Import Source
https://storage.googleapis.com/android-osv/ASB-A-233154555.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-233154555
Aliases
  • A-233154555
  • CVE-2022-20238
  • U-1883892
Published
2022-07-01T00:00:00Z
Modified
2026-05-01T15:24:27.653932Z
Summary
[none]
Details

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

References

Affected packages

Android / :unknown:

Package

Name
:unknown:

Affected ranges

Type
ECOSYSTEM
Events
Introduced
SoCVersion:0
Fixed
SoCVersion:2022-07-05

Affected versions

Other
SoCVersion

Ecosystem specific 

{
    "spl": "2022-07-05",
    "severity": "High",
    "types": [
        "EoP"
    ]
}

Database specific

source 
"https://storage.googleapis.com/android-osv/ASB-A-233154555.json"