Vulnerability · Published Apr 19, 2023 · Assigned by google_android

CVE-2021-0876

High 7.8

In plain English

A high-severity integer overflow in Android. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 0% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High

Exploit odds (30 days)<0.1%top 99.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

In PVRSRVBridgePhysmemNewRamBackedLockedPMR of the PowerVR kernel driver, a missing size check means there is a possible integer overflow that could allow out-of-bounds heap access. 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-270400229

Affected products (as reported)

Vendor	Product	Versions
n/a	Android	Android SoC

Weakness: CWE-190 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

https://source.android.com/security/bulletin/2023-04-01