CVE-2021-39682 — HIGH (7.8)

Vulnerability Description

In mgm_alloc_page of memory_group_manager.c, there is a possible out of bounds write due to an incorrect 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 kernelAndroid ID: A-201677538References: N/A

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Android	-

Related Weaknesses (CWE)

CWE-787

References

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

FAQ

What is CVE-2021-39682?

CVE-2021-39682 is a vulnerability with a CVSS score of 7.8 (HIGH). In mgm_alloc_page of memory_group_manager.c, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with no additional execution pri...

How severe is CVE-2021-39682?

CVE-2021-39682 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-39682?

Check the references section above for vendor advisories and patch information. Affected products include: Google Android.