VulnerabilityModified

CVE-2021-39679

In init of vendor_graphicbuffer_meta.cpp, there is a possible use after free due to a race condition.

HIGH 7.0EPSS 0.09%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.09%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

In init of vendor_graphicbuffer_meta.cpp, there is a possible use after free due to a race condition. 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-188745089References: N/A

CVSS 3.1: 7.0 HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.09% probability · 0th percentile
CISA KEV: Not listed
Weakness: CWE-362, CWE-416
Affected: google/android
Source: security@android.com

References

https://source.android.com/security/bulletin/pixel/2022-01-01Vendor Advisory
https://source.android.com/security/bulletin/pixel/2022-01-01Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.