CVE-2021-39714
Last modified
CVE-2021-39714 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In ion_buffer_kmap_get of ion.c, there is a possible use-after-free due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. EPSS estimates a 0.21% chance of exploitation in the next 30 days.
Description
In ion_buffer_kmap_get of ion.c, there is a possible use-after-free due to an integer overflow. 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-205573273References: Upstream kernel
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Android | All versions |
References
- https://source.android.com/security/bulletin/pixel/2022-08-01Patch, Vendor Advisory
- https://source.android.com/security/bulletin/pixel/2022-08-01Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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