UBUNTU-CVE-2021-39698
In aio_poll_complete_work of aio.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-185125206References: Upstream kernel
02 / AFFECTED SOFTWARE
Affected packages
50 explicit affected versions
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188 explicit affected versions
55 explicit affected versions
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12 explicit affected versions
78 explicit affected versions
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42 explicit affected versions
2 explicit affected versions
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39 explicit affected versions
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21 explicit affected versions
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5 explicit affected versions
1 explicit affected versions
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54 explicit affected versions
32 explicit affected versions
43 explicit affected versions
1 explicit affected versions
103 explicit affected versions
33 explicit affected versions
4 explicit affected versions
21 explicit affected versions
1 explicit affected versions
10 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In aio_poll_complete_work of aio.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-185125206References: Upstream kernel
05 / REFERENCES
Further evidence
- https://android.googlesource.com/kernel/common/+/363bee27e258
- https://android.googlesource.com/kernel/common/+/42288cb44c4b
- https://android.googlesource.com/kernel/common/+/50252e4b5e98
- https://android.googlesource.com/kernel/common/+/9537bae0da1f
- https://android.googlesource.com/kernel/common/+/a880b28a71e3
- https://source.android.com/security/bulletin/2022-03-01
- https://ubuntu.com/security/CVE-2021-39698
- https://ubuntu.com/security/notices/USN-5337-1
- https://ubuntu.com/security/notices/USN-5368-1
- https://www.cve.org/CVERecord?id=CVE-2021-39698