Buffer overflow in Google Android
CVE-2021-39661
In _PMRLogicalOffsetToPhysicalOffset of the PowerVR kernel driver, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android SoCAndroid ID: A-246824784
Vulnerability class: Buffer Overflow
EPSS: 0.001 (1.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Google Android
- N/a Android — versions Android SoC
Weakness classification (CWE)
References
- security@android.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-39661?
- CVE-2021-39661 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-11-08.
- How severe is CVE-2021-39661?
- High severity. CVSS v3 base score is 7.8 out of 10.