VulnerabilityModified
CVE-2021-39675
In GKI_getbuf of gki_buffer.cc, there is a possible out of bounds write due to a heap buffer overflow.
CRITICAL 9.8EPSS 5.93%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.93%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In GKI_getbuf of gki_buffer.cc, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-205729183
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 5.93% probability · 93th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- google/android
- Source
- security@android.com
References
- https://source.android.com/security/bulletin/2022-02-01Vendor Advisory
- https://source.android.com/security/bulletin/2022-02-01Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.