CVE-2021-1050 — HIGH (7.8) — White Hats Nepal

Vulnerability Description

In MMU_UnmapPages 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-243825200

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

http://packetstormsecurity.com/files/175260/PowerVR-Out-Of-Bounds-Access-InformaThird Party AdvisoryVDB Entry
https://source.android.com/security/bulletin/2022-11-01Vendor Advisory
http://packetstormsecurity.com/files/175260/PowerVR-Out-Of-Bounds-Access-InformaThird Party AdvisoryVDB Entry
https://source.android.com/security/bulletin/2022-11-01Vendor Advisory

FAQ

What is CVE-2021-1050?

CVE-2021-1050 is a vulnerability with a CVSS score of 7.8 (HIGH). In MMU_UnmapPages 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 pri...

How severe is CVE-2021-1050?

CVE-2021-1050 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-2021-1050?

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